./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/jm2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/loop-lit/jm2006.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24166db6f541d35bbfd02c8f0491b41b1a3db1de ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:06:38,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:06:38,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:06:38,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:06:38,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:06:38,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:06:38,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:06:38,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:06:38,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:06:38,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:06:38,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:06:38,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:06:38,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:06:38,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:06:38,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:06:38,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:06:38,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:06:38,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:06:38,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:06:38,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:06:38,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:06:38,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:06:38,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:06:38,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:06:38,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:06:38,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:06:38,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:06:38,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:06:38,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:06:38,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:06:38,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:06:38,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:06:39,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:06:39,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:06:39,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:06:39,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:06:39,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:06:39,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:06:39,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:06:39,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:06:39,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:06:39,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:06:39,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:06:39,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:06:39,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:06:39,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:06:39,042 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:06:39,042 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:06:39,042 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:06:39,042 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:06:39,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:06:39,043 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:06:39,043 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:06:39,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:06:39,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:06:39,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:06:39,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:06:39,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:06:39,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:06:39,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:06:39,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:06:39,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:06:39,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:06:39,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:06:39,045 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:06:39,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:06:39,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:06:39,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:06:39,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:06:39,046 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:06:39,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:06:39,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:06:39,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:06:39,047 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:06:39,048 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:06:39,048 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24166db6f541d35bbfd02c8f0491b41b1a3db1de [2020-10-20 07:06:39,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:06:39,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:06:39,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:06:39,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:06:39,284 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:06:39,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/jm2006.i [2020-10-20 07:06:39,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be57d3beb/3e2f933fba0b49fbab7a7fa65c657cbc/FLAG5cea1ef48 [2020-10-20 07:06:39,939 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:06:39,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/jm2006.i [2020-10-20 07:06:39,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be57d3beb/3e2f933fba0b49fbab7a7fa65c657cbc/FLAG5cea1ef48 [2020-10-20 07:06:40,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be57d3beb/3e2f933fba0b49fbab7a7fa65c657cbc [2020-10-20 07:06:40,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:06:40,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:06:40,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:40,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:06:40,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:06:40,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dab506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40, skipping insertion in model container [2020-10-20 07:06:40,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:06:40,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:06:40,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:40,452 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:06:40,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:40,483 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:06:40,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40 WrapperNode [2020-10-20 07:06:40,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:40,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:40,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:06:40,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:06:40,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:40,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:06:40,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:06:40,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:06:40,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... [2020-10-20 07:06:40,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:06:40,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:06:40,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:06:40,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:06:40,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:06:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:06:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:06:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:06:40,861 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:06:40,861 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 07:06:40,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:40 BoogieIcfgContainer [2020-10-20 07:06:40,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:06:40,864 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:06:40,864 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:06:40,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:06:40,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:40,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:06:40" (1/3) ... [2020-10-20 07:06:40,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68bb83bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:40, skipping insertion in model container [2020-10-20 07:06:40,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:40,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:40" (2/3) ... [2020-10-20 07:06:40,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68bb83bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:40, skipping insertion in model container [2020-10-20 07:06:40,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:40,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:40" (3/3) ... [2020-10-20 07:06:40,897 INFO L373 chiAutomizerObserver]: Analyzing ICFG jm2006.i [2020-10-20 07:06:40,973 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:06:40,973 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:06:40,973 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:06:40,973 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:06:40,973 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:06:40,973 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:06:40,974 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:06:40,974 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:06:40,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:06:41,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 07:06:41,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:41,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:41,014 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 07:06:41,014 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 07:06:41,014 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:06:41,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:06:41,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 07:06:41,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:41,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:41,017 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 07:06:41,017 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 07:06:41,025 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 9#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~post5, main_#t~post6, main_~i~0, main_~j~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~j~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L28true assume !!(main_~i~0 >= 0 && main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0; 7#L31-2true [2020-10-20 07:06:41,026 INFO L796 eck$LassoCheckResult]: Loop: 7#L31-2true assume !!(0 != main_~x~0);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~y~0;main_~y~0 := main_#t~post6 - 1;havoc main_#t~post6; 7#L31-2true [2020-10-20 07:06:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:41,031 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-20 07:06:41,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:41,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618581799] [2020-10-20 07:06:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,180 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:41,182 INFO L82 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2020-10-20 07:06:41,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:41,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716898242] [2020-10-20 07:06:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,195 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:41,197 INFO L82 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2020-10-20 07:06:41,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:41,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795575652] [2020-10-20 07:06:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:41,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:41,237 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:41,294 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:41,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:41,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:41,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:41,296 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:06:41,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:41,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:41,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006.i_Iteration1_Loop [2020-10-20 07:06:41,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:41,297 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:41,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,460 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:41,461 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:41,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:41,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:06:41,477 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:41,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:41,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:06:41,514 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:41,543 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:06:41,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:41,591 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:06:41,591 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=1}, {ULTIMATE.start_main_~y~0=-8}, {ULTIMATE.start_main_~y~0=6}] Lambdas: [9, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:41,617 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:06:41,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:41,661 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:06:41,661 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-8} Honda state: {ULTIMATE.start_main_~x~0=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [5, 11, 1] Nus: [0, 0] [2020-10-20 07:06:41,834 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-20 07:06:41,919 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:41,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:41,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:41,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:41,920 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:06:41,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:41,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:41,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:41,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006.i_Iteration1_Lasso [2020-10-20 07:06:41,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:41,921 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:41,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:41,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:06:42,259 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:42,265 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:06:42,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:06:42,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:06:42,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:06:42,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:06:42,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:42,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:42,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:42,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:42,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:42,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:42,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:42,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:42,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:42,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:42,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:42,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:42,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:42,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:42,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:42,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:42,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:42,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:42,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:42,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:42,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:42,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:42,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:42,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:43,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:43,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:43,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:43,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:43,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:43,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:43,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:43,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:43,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:43,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:43,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:43,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:43,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:43,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:43,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:06:43,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:43,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:43,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:06:43,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:43,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:43,145 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:06:43,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:43,154 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 07:06:43,154 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:43,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:06:43,205 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-20 07:06:43,205 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:43,211 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:43,216 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-20 07:06:43,217 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:06:43,218 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2020-10-20 07:06:43,321 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:06:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:43,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:06:43,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:43,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:06:43,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:06:43,399 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 07:06:43,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 2 states. [2020-10-20 07:06:43,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 2 states. Result 33 states and 43 transitions. Complement of second has 5 states. [2020-10-20 07:06:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:06:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 07:06:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2020-10-20 07:06:43,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 1 letters. [2020-10-20 07:06:43,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:43,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-20 07:06:43,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:43,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2020-10-20 07:06:43,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:43,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2020-10-20 07:06:43,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:43,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2020-10-20 07:06:43,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:06:43,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:06:43,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:06:43,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:06:43,485 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:43,485 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:43,486 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:43,486 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:06:43,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:06:43,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:43,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:06:43,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:06:43 BoogieIcfgContainer [2020-10-20 07:06:43,495 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:06:43,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:06:43,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:06:43,496 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:06:43,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:40" (3/4) ... [2020-10-20 07:06:43,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:06:43,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:06:43,504 INFO L168 Benchmark]: Toolchain (without parser) took 3283.24 ms. Allocated memory was 44.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Free memory was 26.4 MB in the beginning and 20.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,505 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.90 ms. Allocated memory is still 44.6 MB. Free memory was 25.5 MB in the beginning and 14.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.55 ms. Allocated memory was 44.6 MB in the beginning and 45.1 MB in the end (delta: 524.3 kB). Free memory was 14.9 MB in the beginning and 26.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,508 INFO L168 Benchmark]: Boogie Preprocessor took 22.21 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 25.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,508 INFO L168 Benchmark]: RCFGBuilder took 312.23 ms. Allocated memory is still 45.1 MB. Free memory was 25.0 MB in the beginning and 13.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,509 INFO L168 Benchmark]: BuchiAutomizer took 2631.69 ms. Allocated memory was 45.1 MB in the beginning and 55.6 MB in the end (delta: 10.5 MB). Free memory was 12.9 MB in the beginning and 20.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,510 INFO L168 Benchmark]: Witness Printer took 5.79 ms. Allocated memory is still 55.6 MB. Free memory was 20.5 MB in the beginning and 20.0 MB in the end (delta: 469.7 kB). Peak memory consumption was 469.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:43,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 258.90 ms. Allocated memory is still 44.6 MB. Free memory was 25.5 MB in the beginning and 14.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 42.55 ms. Allocated memory was 44.6 MB in the beginning and 45.1 MB in the end (delta: 524.3 kB). Free memory was 14.9 MB in the beginning and 26.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.21 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 25.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 312.23 ms. Allocated memory is still 45.1 MB. Free memory was 25.0 MB in the beginning and 13.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2631.69 ms. Allocated memory was 45.1 MB in the beginning and 55.6 MB in the end (delta: 10.5 MB). Free memory was 12.9 MB in the beginning and 20.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * Witness Printer took 5.79 ms. Allocated memory is still 55.6 MB. Free memory was 20.5 MB in the beginning and 20.0 MB in the end (delta: 469.7 kB). Peak memory consumption was 469.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp67 ukn75 mio100 lsp74 div100 bol100 ite100 ukn100 eq186 hnf94 smp100 dnf150 smp100 tf103 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 76ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...