./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/c.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/c.02-alloca.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 a7eac656f4f87b6afedc7c9123b2a00f0a77432e0932a24df49c305c8202e110 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 17:35:34,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 17:35:34,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 17:35:34,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 17:35:34,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 17:35:34,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 17:35:34,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 17:35:34,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 17:35:34,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 17:35:34,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 17:35:34,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 17:35:34,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 17:35:34,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 17:35:34,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 17:35:34,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 17:35:34,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 17:35:34,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 17:35:34,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 17:35:34,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 17:35:34,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 17:35:34,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 17:35:34,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 17:35:34,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 17:35:34,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 17:35:34,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 17:35:34,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 17:35:34,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 17:35:34,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 17:35:34,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 17:35:34,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 17:35:34,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 17:35:34,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 17:35:34,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 17:35:34,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 17:35:34,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 17:35:34,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 17:35:34,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 17:35:34,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 17:35:34,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 17:35:34,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 17:35:34,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 17:35:34,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-19 17:35:34,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 17:35:34,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 17:35:34,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 17:35:34,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 17:35:34,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 17:35:34,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 17:35:34,808 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 17:35:34,808 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 17:35:34,808 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 17:35:34,808 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 17:35:34,809 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 17:35:34,809 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 17:35:34,810 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 17:35:34,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 17:35:34,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 17:35:34,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 17:35:34,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 17:35:34,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 17:35:34,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 17:35:34,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 17:35:34,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 17:35:34,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 17:35:34,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 17:35:34,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 17:35:34,814 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 17:35:34,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7eac656f4f87b6afedc7c9123b2a00f0a77432e0932a24df49c305c8202e110 [2021-12-19 17:35:35,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 17:35:35,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 17:35:35,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 17:35:35,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 17:35:35,046 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 17:35:35,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/c.02-alloca.i [2021-12-19 17:35:35,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbcb7f19/3473053c49564ecd935892f99cae27a2/FLAG734bc5a37 [2021-12-19 17:35:35,614 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 17:35:35,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.02-alloca.i [2021-12-19 17:35:35,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbcb7f19/3473053c49564ecd935892f99cae27a2/FLAG734bc5a37 [2021-12-19 17:35:36,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbcb7f19/3473053c49564ecd935892f99cae27a2 [2021-12-19 17:35:36,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 17:35:36,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 17:35:36,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 17:35:36,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 17:35:36,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 17:35:36,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410f9290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36, skipping insertion in model container [2021-12-19 17:35:36,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 17:35:36,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 17:35:36,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:35:36,386 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 17:35:36,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:35:36,447 INFO L208 MainTranslator]: Completed translation [2021-12-19 17:35:36,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36 WrapperNode [2021-12-19 17:35:36,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 17:35:36,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 17:35:36,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 17:35:36,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 17:35:36,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,478 INFO L137 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2021-12-19 17:35:36,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 17:35:36,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 17:35:36,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 17:35:36,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 17:35:36,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 17:35:36,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 17:35:36,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 17:35:36,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 17:35:36,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (1/1) ... [2021-12-19 17:35:36,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:36,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:36,556 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) [2021-12-19 17:35:36,577 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 [2021-12-19 17:35:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-19 17:35:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-19 17:35:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 17:35:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 17:35:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 17:35:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 17:35:36,699 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 17:35:36,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 17:35:36,808 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 17:35:36,812 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 17:35:36,813 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 17:35:36,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:35:36 BoogieIcfgContainer [2021-12-19 17:35:36,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 17:35:36,815 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 17:35:36,815 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 17:35:36,821 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 17:35:36,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:35:36,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:35:36" (1/3) ... [2021-12-19 17:35:36,823 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6388214c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:35:36, skipping insertion in model container [2021-12-19 17:35:36,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:35:36,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:35:36" (2/3) ... [2021-12-19 17:35:36,824 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6388214c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:35:36, skipping insertion in model container [2021-12-19 17:35:36,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:35:36,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:35:36" (3/3) ... [2021-12-19 17:35:36,825 INFO L388 chiAutomizerObserver]: Analyzing ICFG c.02-alloca.i [2021-12-19 17:35:36,881 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 17:35:36,882 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 17:35:36,882 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 17:35:36,882 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 17:35:36,882 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 17:35:36,882 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 17:35:36,882 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 17:35:36,883 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 17:35:36,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:36,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:35:36,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:35:36,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:35:36,942 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 17:35:36,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 17:35:36,942 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 17:35:36,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:36,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:35:36,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:35:36,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:35:36,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 17:35:36,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 17:35:36,951 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem11#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 9#L555-5true [2021-12-19 17:35:36,953 INFO L793 eck$LassoCheckResult]: Loop: 9#L555-5true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 >= 0; 13#L555-1true assume test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 < 2147483647; 5#L555-3true assume !!test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 6#L558-3true assume !true; 14#L558-4true call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 2, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 9#L555-5true [2021-12-19 17:35:36,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-19 17:35:36,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:35:36,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116647889] [2021-12-19 17:35:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:35:36,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:35:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:35:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:35:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:37,215 INFO L85 PathProgramCache]: Analyzing trace with hash 35409968, now seen corresponding path program 1 times [2021-12-19 17:35:37,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:35:37,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142913548] [2021-12-19 17:35:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:35:37,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:35:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:37,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:35:37,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142913548] [2021-12-19 17:35:37,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142913548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:35:37,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:35:37,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 17:35:37,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254879632] [2021-12-19 17:35:37,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:35:37,308 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 17:35:37,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:35:37,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-19 17:35:37,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-19 17:35:37,343 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:37,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:35:37,349 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-12-19 17:35:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 17:35:37,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-12-19 17:35:37,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:35:37,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2021-12-19 17:35:37,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-19 17:35:37,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-19 17:35:37,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-12-19 17:35:37,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:35:37,364 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-19 17:35:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-12-19 17:35:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-19 17:35:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-12-19 17:35:37,385 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-19 17:35:37,385 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-19 17:35:37,385 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 17:35:37,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-12-19 17:35:37,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:35:37,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:35:37,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:35:37,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 17:35:37,386 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-19 17:35:37,387 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem11#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 40#L555-5 [2021-12-19 17:35:37,387 INFO L793 eck$LassoCheckResult]: Loop: 40#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 >= 0; 41#L555-1 assume test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 < 2147483647; 36#L555-3 assume !!test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 37#L558-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 38#L558-1 assume !(test_fun_#t~mem9#1 > test_fun_#t~mem10#1);havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1; 39#L558-4 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 2, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 40#L555-5 [2021-12-19 17:35:37,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:37,390 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-19 17:35:37,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:35:37,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22229718] [2021-12-19 17:35:37,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:35:37,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:35:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:35:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:35:37,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1097702127, now seen corresponding path program 1 times [2021-12-19 17:35:37,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:35:37,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214171124] [2021-12-19 17:35:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:35:37,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:35:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,507 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:35:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:35:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:37,522 INFO L85 PathProgramCache]: Analyzing trace with hash 177751345, now seen corresponding path program 1 times [2021-12-19 17:35:37,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:35:37,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269236629] [2021-12-19 17:35:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:35:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:35:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,567 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:35:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:35:37,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:35:38,422 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:35:38,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:35:38,422 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:35:38,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:35:38,423 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:35:38,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:38,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:35:38,423 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:35:38,423 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02-alloca.i_Iteration2_Lasso [2021-12-19 17:35:38,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:35:38,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:35:38,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:38,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:35:39,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:35:39,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:35:39,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:35:39,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 17:35:39,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-19 17:35:39,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,260 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) [2021-12-19 17:35:39,272 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 [2021-12-19 17:35:39,276 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 [2021-12-19 17:35:39,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,328 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 [2021-12-19 17:35:39,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,329 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) [2021-12-19 17:35:39,331 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 [2021-12-19 17:35:39,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,367 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 [2021-12-19 17:35:39,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,368 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) [2021-12-19 17:35:39,369 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 [2021-12-19 17:35:39,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,434 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 [2021-12-19 17:35:39,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,435 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) [2021-12-19 17:35:39,436 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 [2021-12-19 17:35:39,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,462 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 [2021-12-19 17:35:39,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,464 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) [2021-12-19 17:35:39,465 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 [2021-12-19 17:35:39,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,489 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 [2021-12-19 17:35:39,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,490 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) [2021-12-19 17:35:39,493 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 [2021-12-19 17:35:39,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,517 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 [2021-12-19 17:35:39,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,519 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) [2021-12-19 17:35:39,519 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 [2021-12-19 17:35:39,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,555 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 [2021-12-19 17:35:39,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,557 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) [2021-12-19 17:35:39,559 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 [2021-12-19 17:35:39,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,615 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 [2021-12-19 17:35:39,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,617 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) [2021-12-19 17:35:39,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,634 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 [2021-12-19 17:35:39,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,658 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 [2021-12-19 17:35:39,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,660 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) [2021-12-19 17:35:39,660 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 [2021-12-19 17:35:39,661 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 [2021-12-19 17:35:39,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,684 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 [2021-12-19 17:35:39,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,685 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) [2021-12-19 17:35:39,686 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 [2021-12-19 17:35:39,687 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 [2021-12-19 17:35:39,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,711 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 [2021-12-19 17:35:39,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,712 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) [2021-12-19 17:35:39,713 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 [2021-12-19 17:35:39,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:35:39,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:35:39,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:35:39,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,762 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 [2021-12-19 17:35:39,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,764 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) [2021-12-19 17:35:39,766 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 [2021-12-19 17:35:39,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,815 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 [2021-12-19 17:35:39,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,817 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) [2021-12-19 17:35:39,819 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 [2021-12-19 17:35:39,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-19 17:35:39,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,872 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) [2021-12-19 17:35:39,873 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 [2021-12-19 17:35:39,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-19 17:35:39,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,933 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) [2021-12-19 17:35:39,933 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 [2021-12-19 17:35:39,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:39,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:39,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:39,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:39,986 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 [2021-12-19 17:35:39,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:39,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:39,988 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:35:39,989 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 [2021-12-19 17:35:39,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:39,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:39,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:39,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:39,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:40,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:40,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:40,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:40,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-19 17:35:40,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:40,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:40,028 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) [2021-12-19 17:35:40,033 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 [2021-12-19 17:35:40,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:40,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:40,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:40,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:40,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:40,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:40,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:40,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:40,100 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 [2021-12-19 17:35:40,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:40,101 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) [2021-12-19 17:35:40,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:40,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:40,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:40,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:40,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:40,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:40,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:40,135 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 [2021-12-19 17:35:40,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:40,168 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 [2021-12-19 17:35:40,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:40,170 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) [2021-12-19 17:35:40,170 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 [2021-12-19 17:35:40,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:35:40,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:40,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:40,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:40,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:40,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:40,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:40,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:35:40,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-19 17:35:40,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:40,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:40,202 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) [2021-12-19 17:35:40,203 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 [2021-12-19 17:35:40,219 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 [2021-12-19 17:35:40,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:35:40,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:35:40,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:35:40,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:35:40,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:35:40,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:35:40,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 17:35:40,252 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-19 17:35:40,252 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-19 17:35:40,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:35:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:35:40,262 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) [2021-12-19 17:35:40,340 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 17:35:40,348 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 [2021-12-19 17:35:40,350 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 17:35:40,350 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 17:35:40,350 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1 Supporting invariants [] [2021-12-19 17:35:40,374 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 [2021-12-19 17:35:40,436 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-12-19 17:35:40,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:40,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:35:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:40,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-19 17:35:40,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:40,643 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-19 17:35:40,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 73 [2021-12-19 17:35:40,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-19 17:35:40,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-12-19 17:35:40,711 INFO L354 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2021-12-19 17:35:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 51 [2021-12-19 17:35:40,756 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-19 17:35:40,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2021-12-19 17:35:40,850 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 11 treesize of output 7 [2021-12-19 17:35:40,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-19 17:35:40,918 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-19 17:35:40,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2021-12-19 17:35:40,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-12-19 17:35:40,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-19 17:35:40,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-12-19 17:35:41,098 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 [2021-12-19 17:35:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:41,104 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-19 17:35:41,105 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:41,180 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 9 states. [2021-12-19 17:35:41,181 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 [2021-12-19 17:35:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-12-19 17:35:41,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-19 17:35:41,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:35:41,184 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 17:35:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:41,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:35:41,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:41,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-19 17:35:41,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:41,317 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-19 17:35:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 73 [2021-12-19 17:35:41,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-19 17:35:41,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-12-19 17:35:41,377 INFO L354 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2021-12-19 17:35:41,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 51 [2021-12-19 17:35:41,425 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-19 17:35:41,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2021-12-19 17:35:41,502 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 17:35:41,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-12-19 17:35:41,532 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 11 treesize of output 7 [2021-12-19 17:35:41,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 72 [2021-12-19 17:35:41,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-19 17:35:41,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-12-19 17:35:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:41,698 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-19 17:35:41,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:41,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 9 states. [2021-12-19 17:35:41,757 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 [2021-12-19 17:35:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-12-19 17:35:41,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-19 17:35:41,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:35:41,758 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 17:35:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:41,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:35:41,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:41,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-19 17:35:41,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:41,880 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-19 17:35:41,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 73 [2021-12-19 17:35:41,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-19 17:35:41,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-12-19 17:35:41,940 INFO L354 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2021-12-19 17:35:41,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 51 [2021-12-19 17:35:41,999 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-19 17:35:41,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2021-12-19 17:35:42,036 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 17:35:42,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-12-19 17:35:42,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-19 17:35:42,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-12-19 17:35:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:42,166 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-19 17:35:42,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:42,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2021-12-19 17:35:42,225 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 [2021-12-19 17:35:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-12-19 17:35:42,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-19 17:35:42,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:35:42,227 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 17:35:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:42,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:35:42,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:42,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-19 17:35:42,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:42,347 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-19 17:35:42,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 73 [2021-12-19 17:35:42,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-19 17:35:42,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-12-19 17:35:42,401 INFO L354 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2021-12-19 17:35:42,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 51 [2021-12-19 17:35:42,441 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-19 17:35:42,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2021-12-19 17:35:42,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 17:35:42,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-12-19 17:35:42,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2021-12-19 17:35:42,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-19 17:35:42,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-12-19 17:35:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:42,683 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-19 17:35:42,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:42,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2021-12-19 17:35:42,736 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 [2021-12-19 17:35:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-12-19 17:35:42,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-19 17:35:42,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:35:42,741 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 17:35:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:35:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:42,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:35:42,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:35:42,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-19 17:35:42,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:35:42,874 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-19 17:35:42,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 73 [2021-12-19 17:35:42,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-19 17:35:42,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2021-12-19 17:35:42,937 INFO L354 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2021-12-19 17:35:42,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 51 [2021-12-19 17:35:42,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 17:35:42,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-12-19 17:35:43,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 7 [2021-12-19 17:35:43,086 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 17:35:43,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-12-19 17:35:43,113 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 11 treesize of output 7 [2021-12-19 17:35:43,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-19 17:35:43,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-12-19 17:35:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:35:43,252 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-19 17:35:43,253 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:43,366 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 184 transitions. Complement of second has 78 states 10 powerset states68 rank states. The highest rank that occured is 7 [2021-12-19 17:35:43,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-19 17:35:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:35:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2021-12-19 17:35:43,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 40 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-19 17:35:43,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:35:43,369 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-19 17:35:43,370 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-19 17:35:43,372 INFO L158 Benchmark]: Toolchain (without parser) took 7261.78ms. Allocated memory was 88.1MB in the beginning and 155.2MB in the end (delta: 67.1MB). Free memory was 54.8MB in the beginning and 72.7MB in the end (delta: -17.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2021-12-19 17:35:43,373 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:35:43,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.90ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 57.9MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 17:35:43,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.81ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:35:43,373 INFO L158 Benchmark]: Boogie Preprocessor took 41.48ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.0MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-19 17:35:43,374 INFO L158 Benchmark]: RCFGBuilder took 293.11ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 44.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 17:35:43,374 INFO L158 Benchmark]: BuchiAutomizer took 6556.99ms. Allocated memory was 88.1MB in the beginning and 155.2MB in the end (delta: 67.1MB). Free memory was 43.7MB in the beginning and 72.7MB in the end (delta: -29.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-12-19 17:35:43,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.90ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 57.9MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.81ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.48ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.0MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 293.11ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 44.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6556.99ms. Allocated memory was 88.1MB in the beginning and 155.2MB in the end (delta: 67.1MB). Free memory was 43.7MB in the beginning and 72.7MB in the end (delta: -29.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-19 17:35:43,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient