./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Collatz.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/termination-crafted/Collatz.c -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 873a06533d36987711ab5e2c177066aa117a2df5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:56:10,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:56:10,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:56:10,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:56:10,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:56:10,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:56:10,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:56:10,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:56:10,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:56:10,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:56:10,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:56:10,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:56:10,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:56:10,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:56:10,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:56:10,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:56:10,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:56:10,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:56:10,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:56:10,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:56:10,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:56:10,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:56:10,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:56:10,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:56:10,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:56:10,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:56:10,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:56:10,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:56:10,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:56:10,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:56:10,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:56:10,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:56:10,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:56:10,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:56:10,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:56:10,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:56:10,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:56:10,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:56:10,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:56:10,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:56:10,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:56:10,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:56:10,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:56:10,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:56:10,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:56:10,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:56:10,077 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:56:10,077 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:56:10,078 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:56:10,078 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:56:10,078 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:56:10,079 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:56:10,079 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:56:10,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:56:10,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:56:10,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:56:10,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:56:10,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:56:10,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:56:10,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:56:10,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:56:10,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:56:10,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:56:10,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:56:10,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:56:10,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:56:10,083 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:56:10,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:56:10,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:56:10,084 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:56:10,085 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:56:10,085 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 873a06533d36987711ab5e2c177066aa117a2df5 [2019-11-28 02:56:10,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:56:10,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:56:10,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:56:10,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:56:10,419 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:56:10,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-28 02:56:10,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b584c2ac4/df28b613310d46a9be1e672a01241671/FLAG3124e15de [2019-11-28 02:56:10,973 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:56:10,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-28 02:56:10,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b584c2ac4/df28b613310d46a9be1e672a01241671/FLAG3124e15de [2019-11-28 02:56:11,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b584c2ac4/df28b613310d46a9be1e672a01241671 [2019-11-28 02:56:11,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:56:11,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:56:11,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:56:11,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:56:11,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:56:11,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1192613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11, skipping insertion in model container [2019-11-28 02:56:11,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:56:11,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:56:11,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:56:11,608 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:56:11,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:56:11,640 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:56:11,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11 WrapperNode [2019-11-28 02:56:11,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:56:11,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:56:11,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:56:11,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:56:11,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:56:11,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:56:11,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:56:11,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:56:11,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (1/1) ... [2019-11-28 02:56:11,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:56:11,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:56:11,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:56:11,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:56:11,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (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 [2019-11-28 02:56:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:56:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:56:11,961 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:56:11,961 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 02:56:11,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:11 BoogieIcfgContainer [2019-11-28 02:56:11,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:56:11,963 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:56:11,963 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:56:11,966 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:56:11,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:56:11,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:56:11" (1/3) ... [2019-11-28 02:56:11,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7762b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:11, skipping insertion in model container [2019-11-28 02:56:11,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:56:11,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:11" (2/3) ... [2019-11-28 02:56:11,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7762b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:11, skipping insertion in model container [2019-11-28 02:56:11,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:56:11,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:11" (3/3) ... [2019-11-28 02:56:11,971 INFO L371 chiAutomizerObserver]: Analyzing ICFG Collatz.c [2019-11-28 02:56:12,027 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:56:12,027 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:56:12,027 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:56:12,028 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:56:12,028 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:56:12,028 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:56:12,028 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:56:12,029 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:56:12,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 02:56:12,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:12,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:56:12,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:56:12,079 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:56:12,079 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:56:12,079 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:56:12,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 02:56:12,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:12,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:56:12,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:56:12,082 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:56:12,082 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:56:12,092 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L14-2true [2019-11-28 02:56:12,092 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~y~0 > 1); 8#L14true assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 5#L14-2true [2019-11-28 02:56:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:12,101 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 02:56:12,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:12,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047352678] [2019-11-28 02:56:12,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:12,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-28 02:56:12,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:12,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481925422] [2019-11-28 02:56:12,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:12,296 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-28 02:56:12,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:12,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628643683] [2019-11-28 02:56:12,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:12,348 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:12,445 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:12,447 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:12,447 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:12,447 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:12,448 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:12,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:12,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:12,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:12,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-28 02:56:12,465 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:12,468 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:12,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:12,689 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2019-11-28 02:56:12,722 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:12,723 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) [2019-11-28 02:56:12,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:12,743 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 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 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 [2019-11-28 02:56:12,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:12,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:12,794 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:12,796 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:12,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:12,797 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:12,797 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:12,797 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:12,797 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:12,797 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:12,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:12,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-28 02:56:12,798 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:12,798 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:12,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:12,941 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:12,948 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 02:56:12,955 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 [2019-11-28 02:56:12,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:12,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:12,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:12,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:12,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:12,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:12,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:12,970 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:56:12,979 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:56:12,980 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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) [2019-11-28 02:56:12,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:56:12,989 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:56:12,990 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:56:12,990 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 02:56:12,998 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:13,046 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:56:13,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:13,058 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:56:13,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:13,093 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:56:13,094 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-28 02:56:13,147 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 8 states. [2019-11-28 02:56:13,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 02:56:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:56:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 02:56:13,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 02:56:13,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 02:56:13,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 02:56:13,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-28 02:56:13,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:13,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 02:56:13,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 02:56:13,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 02:56:13,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 02:56:13,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:56:13,179 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:56:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 02:56:13,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 02:56:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 02:56:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 02:56:13,212 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:56:13,212 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:56:13,213 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:56:13,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-28 02:56:13,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:13,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:56:13,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:56:13,215 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 02:56:13,216 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:56:13,216 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L14-2 assume !!(main_~y~0 > 1); 73#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 69#L14-2 [2019-11-28 02:56:13,217 INFO L796 eck$LassoCheckResult]: Loop: 69#L14-2 assume !!(main_~y~0 > 1); 70#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 69#L14-2 [2019-11-28 02:56:13,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,217 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-28 02:56:13,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:13,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356082454] [2019-11-28 02:56:13,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,248 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:13,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-11-28 02:56:13,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:13,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207521135] [2019-11-28 02:56:13,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,263 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:13,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,264 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-11-28 02:56:13,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:13,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967718141] [2019-11-28 02:56:13,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:13,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:13,312 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:13,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:13,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:13,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:13,313 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:13,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:13,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:13,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-28 02:56:13,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:13,315 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:13,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:13,430 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:13,431 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 02:56:13,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:13,439 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:13,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:13,462 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,483 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:13,486 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:13,486 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:13,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:13,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:13,487 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:13,487 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,487 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:13,487 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:13,487 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-28 02:56:13,488 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:13,488 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:13,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:13,597 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:13,597 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) [2019-11-28 02:56:13,605 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 [2019-11-28 02:56:13,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:13,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:13,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:13,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:13,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:13,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:13,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:56:13,622 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:56:13,622 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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) [2019-11-28 02:56:13,631 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:56:13,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:56:13,632 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:56:13,633 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 02:56:13,643 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:13,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:13,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:56:13,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:13,699 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:56:13,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:13,713 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:56:13,713 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 02:56:13,735 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2019-11-28 02:56:13,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:56:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:56:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 02:56:13,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 02:56:13,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 02:56:13,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-28 02:56:13,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:13,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-11-28 02:56:13,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:13,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 02:56:13,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 02:56:13,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 02:56:13,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-11-28 02:56:13,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:56:13,746 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 02:56:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-11-28 02:56:13,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 02:56:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 02:56:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 02:56:13,749 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 02:56:13,749 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 02:56:13,752 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 02:56:13,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-28 02:56:13,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:56:13,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:56:13,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:56:13,756 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 02:56:13,756 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:56:13,756 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L14-2 assume !!(main_~y~0 > 1); 127#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 128#L14-2 assume !!(main_~y~0 > 1); 129#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 123#L14-2 [2019-11-28 02:56:13,756 INFO L796 eck$LassoCheckResult]: Loop: 123#L14-2 assume !!(main_~y~0 > 1); 124#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 123#L14-2 [2019-11-28 02:56:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:13,757 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-11-28 02:56:13,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:13,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86212] [2019-11-28 02:56:13,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:13,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86212] [2019-11-28 02:56:13,926 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276826489] [2019-11-28 02:56:13,926 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:56:13,956 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 02:56:13,956 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:56:13,957 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 02:56:13,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:14,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:56:14,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-11-28 02:56:14,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126638013] [2019-11-28 02:56:14,038 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 02:56:14,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-11-28 02:56:14,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:14,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199867575] [2019-11-28 02:56:14,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,052 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:14,073 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:14,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:14,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:14,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:14,073 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:14,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:14,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:14,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-28 02:56:14,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:14,074 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:14,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:14,172 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:14,173 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 02:56:14,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:14,181 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:14,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:14,205 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:14,230 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:14,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:14,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:14,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:14,230 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:14,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:14,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:14,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-28 02:56:14,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:14,231 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:14,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:14,331 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:14,332 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 02:56:14,345 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 [2019-11-28 02:56:14,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:14,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:14,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:14,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:14,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:14,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:14,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:14,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,365 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:56:14,365 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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 [2019-11-28 02:56:14,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:56:14,381 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:56:14,381 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:56:14,381 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 02:56:14,384 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 02:56:14,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,424 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:14,439 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:56:14,439 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 02:56:14,457 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 02:56:14,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:56:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:56:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 02:56:14,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 02:56:14,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:14,460 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 02:56:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,491 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:14,508 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:56:14,509 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 02:56:14,525 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 02:56:14,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:56:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:56:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 02:56:14,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 02:56:14,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:14,528 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 02:56:14,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:56:14,554 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:56:14,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:56:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:56:14,566 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:56:14,566 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 02:56:14,586 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2019-11-28 02:56:14,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:56:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:56:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 02:56:14,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 02:56:14,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:14,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 02:56:14,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:14,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 02:56:14,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:56:14,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-11-28 02:56:14,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:56:14,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-11-28 02:56:14,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 02:56:14,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 02:56:14,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-28 02:56:14,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:56:14,595 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-28 02:56:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-28 02:56:14,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-11-28 02:56:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 02:56:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-28 02:56:14,597 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-28 02:56:14,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:56:14,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:56:14,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:56:14,602 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 4 states. [2019-11-28 02:56:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:56:14,628 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2019-11-28 02:56:14,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:56:14,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2019-11-28 02:56:14,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 02:56:14,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2019-11-28 02:56:14,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 02:56:14,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 02:56:14,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-28 02:56:14,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:56:14,630 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-28 02:56:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-28 02:56:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2019-11-28 02:56:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 02:56:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-11-28 02:56:14,631 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 02:56:14,632 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 02:56:14,632 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 02:56:14,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-11-28 02:56:14,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:56:14,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:56:14,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:56:14,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 02:56:14,633 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-11-28 02:56:14,633 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 02:56:14,633 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 02:56:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 02:56:14,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:14,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40205908] [2019-11-28 02:56:14,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:14,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-11-28 02:56:14,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:14,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439860834] [2019-11-28 02:56:14,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,657 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:14,657 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2019-11-28 02:56:14,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:14,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489117056] [2019-11-28 02:56:14,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:14,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:14,745 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:14,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:14,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:14,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:14,746 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:14,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:14,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:14,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 02:56:14,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:14,746 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:14,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:14,819 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:14,819 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:14,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:14,824 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2019-11-28 02:56:14,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:14,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:15,288 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:15,291 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:15,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:15,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:15,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:15,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:15,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:15,292 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:15,292 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 02:56:15,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:15,292 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:15,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:15,382 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:15,383 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 02:56:15,394 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 [2019-11-28 02:56:15,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:15,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:15,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:15,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,406 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 [2019-11-28 02:56:15,419 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 [2019-11-28 02:56:15,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:15,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:15,425 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:15,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:15,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,434 INFO L489 LassoAnalysis]: Using template '3-nested'. 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 [2019-11-28 02:56:15,466 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 [2019-11-28 02:56:15,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:15,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 02:56:15,480 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:15,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 02:56:15,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,495 INFO L489 LassoAnalysis]: Using template '4-nested'. 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 [2019-11-28 02:56:15,505 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 [2019-11-28 02:56:15,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:15,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,509 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:15,517 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:15,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:15,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,527 INFO L489 LassoAnalysis]: Using template '2-phase'. 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) [2019-11-28 02:56:15,538 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 [2019-11-28 02:56:15,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:15,540 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:15,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,541 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:15,546 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:15,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,557 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,569 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 [2019-11-28 02:56:15,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:15,572 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:15,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,572 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:15,577 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:15,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:15,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,593 INFO L489 LassoAnalysis]: Using template '4-phase'. 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) [2019-11-28 02:56:15,601 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 [2019-11-28 02:56:15,604 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:15,604 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:15,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,605 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,611 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:15,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:15,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,641 INFO L489 LassoAnalysis]: Using template '2-lex'. 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) [2019-11-28 02:56:15,646 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 [2019-11-28 02:56:15,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:15,648 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:15,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:15,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:15,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,661 INFO L489 LassoAnalysis]: Using template '3-lex'. 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) [2019-11-28 02:56:15,666 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 [2019-11-28 02:56:15,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:15,668 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:15,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:15,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:15,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:15,669 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:15,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:15,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:15,697 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:15,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:15,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:15,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:15,698 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:15,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:15,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:15,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 02:56:15,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:15,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:15,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:15,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:15,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:15,782 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:15,782 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:15,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:15,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:56:15,792 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:15,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:15,798 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:15,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:15,821 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,111 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:16,113 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:16,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:16,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:16,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:16,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:16,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:16,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:16,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 02:56:16,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:16,114 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:16,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:16,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:16,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:16,201 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:16,201 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,206 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 [2019-11-28 02:56:16,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:16,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:16,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,222 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,229 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 [2019-11-28 02:56:16,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:16,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:16,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,234 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,242 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 [2019-11-28 02:56:16,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:16,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:16,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,249 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,255 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 [2019-11-28 02:56:16,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,258 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,264 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 02:56:16,265 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,276 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,284 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 [2019-11-28 02:56:16,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,286 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:16,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,290 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,298 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 [2019-11-28 02:56:16,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,302 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:16,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,307 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,313 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 [2019-11-28 02:56:16,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,316 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,324 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:16,325 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,338 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,345 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 [2019-11-28 02:56:16,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,348 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,349 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,357 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,364 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 [2019-11-28 02:56:16,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,366 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,367 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,372 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,377 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 [2019-11-28 02:56:16,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,389 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 02:56:16,389 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,408 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,415 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 [2019-11-28 02:56:16,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,420 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:16,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,424 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,431 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 [2019-11-28 02:56:16,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:16,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,434 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,436 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:16,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,441 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,455 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 [2019-11-28 02:56:16,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,459 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,469 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 02:56:16,469 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,486 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,493 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 [2019-11-28 02:56:16,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,496 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,497 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:16,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,500 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,507 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 [2019-11-28 02:56:16,509 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,509 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,510 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:16,511 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:16,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,515 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,521 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 [2019-11-28 02:56:16,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,523 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:16,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,523 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,531 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:16,532 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,560 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,567 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 [2019-11-28 02:56:16,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:16,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,572 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,576 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,584 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 [2019-11-28 02:56:16,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,587 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:16,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,588 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,589 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,596 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,601 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 [2019-11-28 02:56:16,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,603 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,604 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,613 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,614 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-28 02:56:16,660 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,670 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 [2019-11-28 02:56:16,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,675 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:16,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,680 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,687 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 [2019-11-28 02:56:16,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,690 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:16,692 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:16,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,700 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,706 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 [2019-11-28 02:56:16,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,708 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,717 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:16,718 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,736 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,742 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 [2019-11-28 02:56:16,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,745 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,745 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,746 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,749 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,755 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 [2019-11-28 02:56:16,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,758 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:16,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:16,759 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:16,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,764 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,769 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 [2019-11-28 02:56:16,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,771 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,772 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:16,782 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-28 02:56:16,782 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,815 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,824 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 [2019-11-28 02:56:16,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,827 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,828 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:16,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:16,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,834 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:16,841 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 [2019-11-28 02:56:16,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:16,844 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:16,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:16,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:16,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:16,844 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:16,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:16,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:16,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:16,851 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-28 02:56:16,852 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 02:56:16,852 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 02:56:16,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:16,852 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-11-28 02:56:16,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:16,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694830809] [2019-11-28 02:56:16,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:16,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 2 times [2019-11-28 02:56:16,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:16,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711545771] [2019-11-28 02:56:16,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,885 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:16,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:56:16,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-11-28 02:56:16,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:56:16,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755693384] [2019-11-28 02:56:16,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:56:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:56:16,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:56:17,000 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:17,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:17,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:17,001 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:17,001 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:17,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,001 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:17,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:17,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 02:56:17,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:17,001 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:17,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:17,064 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:17,064 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:17,070 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:17,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:17,276 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:17,277 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:17,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:17,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:17,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:17,278 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:17,278 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,278 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:17,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:17,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 02:56:17,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:17,279 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:17,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:17,364 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:17,364 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,370 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 [2019-11-28 02:56:17,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:17,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:17,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:17,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:17,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,378 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,387 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 [2019-11-28 02:56:17,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:17,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,389 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:17,391 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:17,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:17,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,403 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,408 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 [2019-11-28 02:56:17,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:17,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:17,414 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:17,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,422 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,427 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 [2019-11-28 02:56:17,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:17,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,430 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:17,433 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:17,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,442 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,451 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 Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:17,453 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:17,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,454 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:17,456 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:17,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:17,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,467 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,478 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 [2019-11-28 02:56:17,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:17,481 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:17,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:17,485 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:17,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,501 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,506 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 [2019-11-28 02:56:17,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:17,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:17,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,509 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:17,513 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:17,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,542 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,549 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 [2019-11-28 02:56:17,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:17,551 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:17,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,552 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:17,555 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:17,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,565 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:17,573 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 [2019-11-28 02:56:17,575 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:17,575 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:17,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:17,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:17,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:17,576 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:17,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:17,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:17,665 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:17,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:17,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:17,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:17,666 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:56:17,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:17,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:17,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 02:56:17,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:17,666 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:17,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:17,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:17,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:17,835 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:17,836 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:17,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:17,844 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:56:17,844 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:56:17,850 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:17,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:56:17,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:56:18,411 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:56:18,413 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:56:18,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:56:18,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:56:18,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:56:18,413 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:56:18,414 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:56:18,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:56:18,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 02:56:18,414 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:56:18,414 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:56:18,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:18,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:18,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:56:18,605 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:56:18,605 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,609 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 [2019-11-28 02:56:18,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:18,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:18,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:18,613 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 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,621 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 [2019-11-28 02:56:18,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:18,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:56:18,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:18,626 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 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,632 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 [2019-11-28 02:56:18,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:56:18,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:18,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:56:18,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:18,654 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,658 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 [2019-11-28 02:56:18,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,660 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,665 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:18,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:18,667 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,705 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 Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,707 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:18,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:18,713 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,720 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 [2019-11-28 02:56:18,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,722 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,727 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 02:56:18,727 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:18,741 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,749 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 [2019-11-28 02:56:18,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,752 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,753 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:18,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,757 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,771 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 [2019-11-28 02:56:18,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,774 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:18,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,779 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,785 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 [2019-11-28 02:56:18,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,787 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,796 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:18,796 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:18,816 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,822 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 [2019-11-28 02:56:18,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,824 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:18,825 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:18,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,828 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,835 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 [2019-11-28 02:56:18,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,837 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:18,838 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:18,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,841 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,848 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 [2019-11-28 02:56:18,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:56:18,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,850 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:18,860 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 02:56:18,861 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:18,883 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,889 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 [2019-11-28 02:56:18,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,891 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:18,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,892 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,892 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:18,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,895 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,902 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 [2019-11-28 02:56:18,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,903 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:18,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,904 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,904 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 02:56:18,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,907 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,914 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 [2019-11-28 02:56:18,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,916 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:18,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,917 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 02:56:18,922 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 02:56:18,922 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:18,944 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,950 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 [2019-11-28 02:56:18,952 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,952 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:18,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,952 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,953 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:18,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,957 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,967 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 [2019-11-28 02:56:18,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,971 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:18,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:18,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,971 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:18,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:18,975 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:18,983 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 [2019-11-28 02:56:18,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:18,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 02:56:18,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:18,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:18,985 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:18,992 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:18,993 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:19,036 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,042 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 Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:19,045 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:19,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:19,050 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,060 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 [2019-11-28 02:56:19,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,062 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,063 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:19,064 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 02:56:19,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:56:19,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 89 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 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,073 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 [2019-11-28 02:56:19,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,075 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,076 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 02:56:19,095 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 02:56:19,095 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-28 02:56:19,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:19,175 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,187 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 [2019-11-28 02:56:19,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,191 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:19,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:19,192 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:19,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,196 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,205 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 [2019-11-28 02:56:19,207 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,207 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:19,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,208 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:19,209 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:56:19,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,213 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,221 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 [2019-11-28 02:56:19,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,223 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 02:56:19,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 02:56:19,236 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 02:56:19,236 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:19,265 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,273 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 [2019-11-28 02:56:19,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,277 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:19,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:19,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,283 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,292 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 [2019-11-28 02:56:19,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,297 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:56:19,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,297 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 02:56:19,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:56:19,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,307 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:56:19,316 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 [2019-11-28 02:56:19,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 02:56:19,319 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 02:56:19,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:56:19,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:56:19,319 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:56:19,338 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-28 02:56:19,339 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-28 02:56:19,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 02:56:19,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:56:19 BoogieIcfgContainer [2019-11-28 02:56:19,415 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 02:56:19,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:56:19,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:56:19,417 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:56:19,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:11" (3/4) ... [2019-11-28 02:56:19,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:56:19,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:56:19,426 INFO L168 Benchmark]: Toolchain (without parser) took 8069.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 300.9 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -201.7 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:56:19,427 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:56:19,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.68 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:56:19,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:56:19,429 INFO L168 Benchmark]: Boogie Preprocessor took 80.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:56:19,430 INFO L168 Benchmark]: RCFGBuilder took 206.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:56:19,434 INFO L168 Benchmark]: BuchiAutomizer took 7451.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -31.7 MB). Peak memory consumption was 378.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:56:19,435 INFO L168 Benchmark]: Witness Printer took 7.05 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:56:19,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.68 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7451.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -31.7 MB). Peak memory consumption was 378.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.05 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 6 SDs, 0 SdLazy, 46 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div338 bol100 ite112 ukn100 eq133 hnf54 smp51 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 92ms VariablesStem: 5 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~y~0 > 1);" "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" Loop: "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...