./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/trex01-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 447515879dde6ddadac2168313caab8f63c0c815 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:48:02,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:48:02,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:48:02,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:48:02,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:48:02,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:48:02,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:48:02,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:48:02,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:48:03,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:48:03,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:48:03,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:48:03,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:48:03,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:48:03,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:48:03,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:48:03,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:48:03,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:48:03,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:48:03,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:48:03,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:48:03,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:48:03,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:48:03,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:48:03,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:48:03,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:48:03,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:48:03,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:48:03,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:48:03,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:48:03,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:48:03,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:48:03,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:48:03,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:48:03,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:48:03,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:48:03,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:48:03,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:48:03,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:48:03,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:48:03,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:48:03,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:48:03,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:48:03,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:48:03,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:48:03,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:48:03,134 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:48:03,134 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:48:03,134 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:48:03,135 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:48:03,135 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:48:03,135 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:48:03,136 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:48:03,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:48:03,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:48:03,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:48:03,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:48:03,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:48:03,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:48:03,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:48:03,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:48:03,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:48:03,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:48:03,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:48:03,140 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:48:03,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:48:03,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:48:03,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:48:03,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:48:03,141 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:48:03,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:48:03,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:48:03,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:48:03,142 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:48:03,144 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:48:03,144 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 447515879dde6ddadac2168313caab8f63c0c815 [2020-10-26 04:48:03,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:48:03,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:48:03,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:48:03,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:48:03,619 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:48:03,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex01-2.i [2020-10-26 04:48:03,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04ceace9/760ee7ba0cc34c0aa1061af281ab9bf1/FLAG4479a752e [2020-10-26 04:48:04,325 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:48:04,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-2.i [2020-10-26 04:48:04,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04ceace9/760ee7ba0cc34c0aa1061af281ab9bf1/FLAG4479a752e [2020-10-26 04:48:04,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04ceace9/760ee7ba0cc34c0aa1061af281ab9bf1 [2020-10-26 04:48:04,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:48:04,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:48:04,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:48:04,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:48:04,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:48:04,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:48:04" (1/1) ... [2020-10-26 04:48:04,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb18881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:04, skipping insertion in model container [2020-10-26 04:48:04,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:48:04" (1/1) ... [2020-10-26 04:48:04,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:48:04,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:48:04,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:48:04,976 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:48:04,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:48:05,016 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:48:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05 WrapperNode [2020-10-26 04:48:05,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:48:05,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:48:05,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:48:05,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:48:05,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:48:05,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:48:05,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:48:05,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:48:05,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... [2020-10-26 04:48:05,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:48:05,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:48:05,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:48:05,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:48:05,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:48:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:48:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:48:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:48:05,505 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:48:05,506 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-26 04:48:05,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:48:05 BoogieIcfgContainer [2020-10-26 04:48:05,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:48:05,509 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:48:05,509 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:48:05,513 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:48:05,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:48:05,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:48:04" (1/3) ... [2020-10-26 04:48:05,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ae94f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:48:05, skipping insertion in model container [2020-10-26 04:48:05,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:48:05,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:48:05" (2/3) ... [2020-10-26 04:48:05,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ae94f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:48:05, skipping insertion in model container [2020-10-26 04:48:05,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:48:05,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:48:05" (3/3) ... [2020-10-26 04:48:05,519 INFO L373 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2020-10-26 04:48:05,598 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:48:05,598 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:48:05,598 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:48:05,599 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:48:05,599 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:48:05,599 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:48:05,599 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:48:05,599 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:48:05,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-26 04:48:05,639 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-26 04:48:05,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:05,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:05,647 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:48:05,648 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:48:05,648 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:48:05,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-26 04:48:05,652 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-26 04:48:05,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:05,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:05,653 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:48:05,653 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:48:05,662 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 26#L50true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 6#L27true assume !!(f_~k~0 <= 1073741823); 23#L30-2true [2020-10-26 04:48:05,662 INFO L796 eck$LassoCheckResult]: Loop: 23#L30-2true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 23#L30-2true [2020-10-26 04:48:05,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2020-10-26 04:48:05,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:05,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731238898] [2020-10-26 04:48:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,842 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:05,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:05,845 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-10-26 04:48:05,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:05,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530457661] [2020-10-26 04:48:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,859 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:05,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:05,862 INFO L82 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2020-10-26 04:48:05,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:05,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043232811] [2020-10-26 04:48:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:05,930 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:05,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:06,206 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-26 04:48:06,307 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:06,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:06,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:06,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:06,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:06,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:06,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:06,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:06,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2020-10-26 04:48:06,310 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:06,310 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:06,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:06,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:06,910 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 04:48:06,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:06,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:06,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:06,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:06,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:06,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:06,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:06,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:06,936 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:06,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:06,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:06,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:06,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:06,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:06,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:06,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,003 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,060 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,107 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,120 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,175 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,228 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:07,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 12 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,535 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,680 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,723 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 [2020-10-26 04:48:07,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:07,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:07,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:07,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:07,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:07,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:07,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:07,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:07,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:07,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:07,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:07,994 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:08,008 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 04:48:08,008 INFO L444 ModelExtractionUtils]: 4 out of 10 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:08,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:08,018 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:08,019 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:08,020 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-10-26 04:48:08,077 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:08,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-26 04:48:08,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:08,183 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:08,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:08,209 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-26 04:48:08,211 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2020-10-26 04:48:08,326 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 3 states. Result 92 states and 139 transitions. Complement of second has 7 states. [2020-10-26 04:48:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:48:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2020-10-26 04:48:08,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-26 04:48:08,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:08,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-26 04:48:08,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:08,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:48:08,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:08,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 139 transitions. [2020-10-26 04:48:08,344 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2020-10-26 04:48:08,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 30 states and 38 transitions. [2020-10-26 04:48:08,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-26 04:48:08,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-26 04:48:08,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2020-10-26 04:48:08,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:48:08,352 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2020-10-26 04:48:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2020-10-26 04:48:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-10-26 04:48:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-26 04:48:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2020-10-26 04:48:08,384 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-26 04:48:08,385 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-26 04:48:08,385 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:48:08,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2020-10-26 04:48:08,386 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-26 04:48:08,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:08,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:08,387 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:48:08,387 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:48:08,388 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 208#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 207#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 193#L27-1 assume !!(f_~k~0 <= 1073741823); 194#L30-6 [2020-10-26 04:48:08,388 INFO L796 eck$LassoCheckResult]: Loop: 194#L30-6 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 194#L30-6 [2020-10-26 04:48:08,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:08,389 INFO L82 PathProgramCache]: Analyzing trace with hash 927945, now seen corresponding path program 1 times [2020-10-26 04:48:08,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:08,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742303065] [2020-10-26 04:48:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:08,418 INFO L82 PathProgramCache]: Analyzing trace with hash 124, now seen corresponding path program 1 times [2020-10-26 04:48:08,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:08,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126741583] [2020-10-26 04:48:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:08,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:08,428 INFO L82 PathProgramCache]: Analyzing trace with hash 28766388, now seen corresponding path program 1 times [2020-10-26 04:48:08,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:08,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364870783] [2020-10-26 04:48:08,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:08,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:08,461 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:08,644 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-26 04:48:08,726 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:08,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:08,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:08,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:08,727 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:08,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:08,727 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:08,727 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:08,727 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2020-10-26 04:48:08,727 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:08,727 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:08,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:08,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:09,144 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:09,144 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,152 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 [2020-10-26 04:48:09,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:09,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 25 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 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 [2020-10-26 04:48:09,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:09,245 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,282 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,329 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,373 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:09,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:09,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:09,415 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,455 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,506 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) [2020-10-26 04:48:09,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,554 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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,600 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,648 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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,690 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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,736 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 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,778 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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,826 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:09,862 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:09,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:09,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:09,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:09,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:09,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:09,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:09,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,929 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:09,939 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-26 04:48:09,939 INFO L444 ModelExtractionUtils]: 4 out of 10 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 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:09,942 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:09,945 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:09,945 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:09,945 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0, ULTIMATE.start_f_~z~0) = 1*ULTIMATE.start_f_~k~0 - 1*ULTIMATE.start_f_~z~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-10-26 04:48:09,995 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:10,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-26 04:48:10,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:10,076 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:10,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:10,078 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-26 04:48:10,078 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-26 04:48:10,161 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 6 states. [2020-10-26 04:48:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:48:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-26 04:48:10,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-26 04:48:10,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:10,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-26 04:48:10,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:10,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:48:10,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:10,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-10-26 04:48:10,173 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2020-10-26 04:48:10,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 40 transitions. [2020-10-26 04:48:10,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-26 04:48:10,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-26 04:48:10,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-26 04:48:10,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:48:10,180 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-26 04:48:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-26 04:48:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2020-10-26 04:48:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-26 04:48:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-26 04:48:10,186 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-26 04:48:10,186 INFO L594 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-26 04:48:10,186 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:48:10,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2020-10-26 04:48:10,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-26 04:48:10,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:10,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:10,191 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:10,191 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:10,191 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 333#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 332#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 322#L27 assume !!(f_~k~0 <= 1073741823); 323#L30-2 assume !(f_~z~0 < f_~k~0); 324#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 325#L18 assume !(0 == __VERIFIER_assert_~cond); 320#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 321#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 339#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 328#L38-2 [2020-10-26 04:48:10,192 INFO L796 eck$LassoCheckResult]: Loop: 328#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 326#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 328#L38-2 [2020-10-26 04:48:10,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:10,194 INFO L82 PathProgramCache]: Analyzing trace with hash 718497116, now seen corresponding path program 1 times [2020-10-26 04:48:10,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:10,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107098211] [2020-10-26 04:48:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,267 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:10,272 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 1 times [2020-10-26 04:48:10,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:10,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490660606] [2020-10-26 04:48:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,285 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:10,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004093, now seen corresponding path program 1 times [2020-10-26 04:48:10,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:10,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191748374] [2020-10-26 04:48:10,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:10,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:10,316 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:10,603 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-26 04:48:10,841 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-26 04:48:10,855 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:10,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:10,856 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:10,856 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:10,856 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:10,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:10,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:10,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:10,856 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2020-10-26 04:48:10,856 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:10,856 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:10,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:10,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:11,453 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:11,454 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:11,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:11,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:11,465 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,505 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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,538 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 [2020-10-26 04:48:11,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,548 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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,583 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,630 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,663 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) [2020-10-26 04:48:11,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,709 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:11,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,760 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) [2020-10-26 04:48:11,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,807 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) [2020-10-26 04:48:11,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,853 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:11,889 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 [2020-10-26 04:48:11,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,896 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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:11,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:11,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:11,924 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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:11,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:11,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:11,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:11,952 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 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 [2020-10-26 04:48:11,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:11,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:11,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:11,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:11,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:11,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:11,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:11,992 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 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 [2020-10-26 04:48:12,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:12,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:12,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:12,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:12,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:12,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:12,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:12,032 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:12,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:12,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:12,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:12,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:12,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:12,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:12,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:12,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:12,100 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-26 04:48:12,100 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. 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) [2020-10-26 04:48:12,106 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:12,111 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:12,111 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:12,111 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-10-26 04:48:12,159 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:12,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:12,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:12,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:12,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:12,300 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:12,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-26 04:48:12,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 6 states. [2020-10-26 04:48:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-26 04:48:12,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-26 04:48:12,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:12,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:48:12,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:12,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-26 04:48:12,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:12,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2020-10-26 04:48:12,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-26 04:48:12,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2020-10-26 04:48:12,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2020-10-26 04:48:12,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-10-26 04:48:12,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2020-10-26 04:48:12,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:12,351 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2020-10-26 04:48:12,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2020-10-26 04:48:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-26 04:48:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-26 04:48:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2020-10-26 04:48:12,354 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-26 04:48:12,354 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-26 04:48:12,354 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:48:12,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2020-10-26 04:48:12,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-26 04:48:12,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:12,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:12,356 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:12,356 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:12,356 INFO L794 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 475#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 474#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 458#L27-1 assume !!(f_~k~0 <= 1073741823); 459#L30-6 assume !(f_~z~0 < f_~k~0); 480#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 456#L18-3 assume !(0 == __VERIFIER_assert_~cond); 457#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 477#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 478#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 467#L38-5 [2020-10-26 04:48:12,356 INFO L796 eck$LassoCheckResult]: Loop: 467#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 479#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 467#L38-5 [2020-10-26 04:48:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1617484252, now seen corresponding path program 1 times [2020-10-26 04:48:12,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:12,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692691978] [2020-10-26 04:48:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,378 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,382 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:12,383 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 1 times [2020-10-26 04:48:12,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:12,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518814587] [2020-10-26 04:48:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,391 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:12,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:12,392 INFO L82 PathProgramCache]: Analyzing trace with hash -375790557, now seen corresponding path program 1 times [2020-10-26 04:48:12,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:12,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387652074] [2020-10-26 04:48:12,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:12,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:12,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:12,745 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-10-26 04:48:12,969 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-26 04:48:12,973 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:12,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:12,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:12,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:12,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:12,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:12,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:12,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:12,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2020-10-26 04:48:12,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:12,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:12,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:12,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:12,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:12,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:12,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:13,533 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:13,534 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:13,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:13,550 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 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:13,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:13,580 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 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:13,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:13,612 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 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:13,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:13,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:13,643 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 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:13,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:13,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:13,670 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 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:13,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:13,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:13,701 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:13,723 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:13,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:13,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:13,727 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:13,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:13,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:13,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:13,765 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 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 [2020-10-26 04:48:13,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:13,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:13,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:13,797 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 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 [2020-10-26 04:48:13,824 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 [2020-10-26 04:48:13,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:13,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:13,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:13,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:13,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:13,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:13,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:13,850 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:48:13,850 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. 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 [2020-10-26 04:48:13,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:13,855 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:13,855 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:13,855 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-26 04:48:13,889 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:13,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:13,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:13,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:13,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:13,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:13,984 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:13,984 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-10-26 04:48:14,024 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 35 states and 46 transitions. Complement of second has 6 states. [2020-10-26 04:48:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-26 04:48:14,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-26 04:48:14,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:14,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:48:14,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:14,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-26 04:48:14,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:14,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2020-10-26 04:48:14,028 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-26 04:48:14,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 45 transitions. [2020-10-26 04:48:14,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-26 04:48:14,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-26 04:48:14,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2020-10-26 04:48:14,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:14,030 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-26 04:48:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2020-10-26 04:48:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-26 04:48:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-26 04:48:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2020-10-26 04:48:14,057 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-26 04:48:14,057 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-26 04:48:14,057 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 04:48:14,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2020-10-26 04:48:14,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-26 04:48:14,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:14,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:14,061 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:14,061 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:48:14,061 INFO L794 eck$LassoCheckResult]: Stem: 626#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 623#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 622#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 610#L27 assume !!(f_~k~0 <= 1073741823); 611#L30-2 assume !(f_~z~0 < f_~k~0); 612#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 613#L18 assume !(0 == __VERIFIER_assert_~cond); 608#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 609#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 633#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 635#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 614#L38 assume 0 != f_~c~0 % 256; 615#L39 [2020-10-26 04:48:14,061 INFO L796 eck$LassoCheckResult]: Loop: 615#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 621#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 636#L38 assume 0 != f_~c~0 % 256; 615#L39 [2020-10-26 04:48:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004097, now seen corresponding path program 1 times [2020-10-26 04:48:14,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:14,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289597552] [2020-10-26 04:48:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,115 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,121 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:14,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:14,122 INFO L82 PathProgramCache]: Analyzing trace with hash 99144, now seen corresponding path program 1 times [2020-10-26 04:48:14,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:14,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130820629] [2020-10-26 04:48:14,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:14,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:14,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991606, now seen corresponding path program 1 times [2020-10-26 04:48:14,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:14,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886507724] [2020-10-26 04:48:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:14,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:14,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:14,246 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:14,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:14,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:14,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:14,246 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:48:14,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:14,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:14,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:14,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2020-10-26 04:48:14,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:14,247 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:14,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:14,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:14,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:14,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:14,411 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:14,412 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-10-26 04:48:14,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:14,418 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:14,433 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:14,433 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=-154, ULTIMATE.start_f_~y~0=102} Honda state: {ULTIMATE.start_f_#t~nondet7=-154, ULTIMATE.start_f_~y~0=102} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 04:48:14,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:14,470 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 72 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:14,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:48:14,509 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:14,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:14,528 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-1}, {ULTIMATE.start_f_~z~0=-5}, {ULTIMATE.start_f_~z~0=5}] Lambdas: [1, 2, 1] Nus: [0, 1] 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) [2020-10-26 04:48:14,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:14,566 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:14,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:14,571 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 04:48:14,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:14,608 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:14,622 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:14,622 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-55, ULTIMATE.start_f_#t~nondet6=-55} Honda state: {ULTIMATE.start_f_~c~0=-55, ULTIMATE.start_f_#t~nondet6=-55} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-10-26 04:48:14,951 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-10-26 04:48:15,188 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-26 04:48:15,194 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:15,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:15,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:15,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:15,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:15,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:15,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:15,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:15,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2020-10-26 04:48:15,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:15,195 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:15,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:15,864 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:15,865 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:15,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:15,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:15,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:15,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:15,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:15,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:15,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:15,884 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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:15,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:15,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:15,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:15,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:15,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:15,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:15,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:15,914 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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:15,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:15,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:15,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:15,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:15,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:15,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:15,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:15,944 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 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:15,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:15,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:15,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:15,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:15,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:15,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:15,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:15,982 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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,029 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) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,060 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 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,093 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) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,122 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) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,154 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 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,192 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) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,223 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) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,255 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 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:16,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:16,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:16,284 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) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:16,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:16,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:16,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:16,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:16,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:16,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:16,321 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:16,332 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-26 04:48:16,332 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. 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 [2020-10-26 04:48:16,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:16,337 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2020-10-26 04:48:16,337 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:16,337 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~x~0 - 1 >= 0, 1*ULTIMATE.start_f_~d - 1 >= 0] [2020-10-26 04:48:16,376 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-26 04:48:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:16,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:16,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:16,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:16,514 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-26 04:48:16,514 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-10-26 04:48:16,596 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17. Second operand 5 states. Result 43 states and 57 transitions. Complement of second has 7 states. [2020-10-26 04:48:16,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:48:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-26 04:48:16,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-26 04:48:16,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:16,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-26 04:48:16,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:16,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-26 04:48:16,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:16,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2020-10-26 04:48:16,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-26 04:48:16,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 52 transitions. [2020-10-26 04:48:16,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-26 04:48:16,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-26 04:48:16,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 52 transitions. [2020-10-26 04:48:16,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:16,601 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-26 04:48:16,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 52 transitions. [2020-10-26 04:48:16,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-26 04:48:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-26 04:48:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2020-10-26 04:48:16,604 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-26 04:48:16,604 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-26 04:48:16,604 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-26 04:48:16,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 51 transitions. [2020-10-26 04:48:16,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-26 04:48:16,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:16,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:16,605 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:16,606 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:48:16,606 INFO L794 eck$LassoCheckResult]: Stem: 802#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 801#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 800#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 782#L27-1 assume !!(f_~k~0 <= 1073741823); 783#L30-6 assume !(f_~z~0 < f_~k~0); 810#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 780#L18-3 assume !(0 == __VERIFIER_assert_~cond); 781#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 803#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 804#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 805#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 809#L38-3 assume 0 != f_~c~0 % 256; 795#L39-1 [2020-10-26 04:48:16,606 INFO L796 eck$LassoCheckResult]: Loop: 795#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 796#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 806#L38-3 assume 0 != f_~c~0 % 256; 795#L39-1 [2020-10-26 04:48:16,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:16,606 INFO L82 PathProgramCache]: Analyzing trace with hash -375790561, now seen corresponding path program 1 times [2020-10-26 04:48:16,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:16,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979837813] [2020-10-26 04:48:16,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,627 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:16,627 INFO L82 PathProgramCache]: Analyzing trace with hash 171633, now seen corresponding path program 1 times [2020-10-26 04:48:16,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:16,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861998102] [2020-10-26 04:48:16,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,636 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279763, now seen corresponding path program 1 times [2020-10-26 04:48:16,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:16,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326202684] [2020-10-26 04:48:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:16,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:16,661 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:16,696 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:16,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:16,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:16,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:16,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:48:16,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:16,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:16,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2020-10-26 04:48:16,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:16,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:16,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:16,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:16,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:16,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:16,891 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:16,891 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:16,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:48:16,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:16,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:16,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:48:16,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:16,931 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-214, ULTIMATE.start_f_#t~nondet6=-214} Honda state: {ULTIMATE.start_f_~c~0=-214, ULTIMATE.start_f_#t~nondet6=-214} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:16,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:16,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:48:16,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:16,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=224, ULTIMATE.start_f_~y~0=224} Honda state: {ULTIMATE.start_f_#t~nondet7=224, ULTIMATE.start_f_~y~0=224} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 04:48:16,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:48:16,986 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 94 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 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:17,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:48:17,011 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:48:17,025 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:48:17,025 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-1}, {ULTIMATE.start_f_~z~0=-5}, {ULTIMATE.start_f_~z~0=5}] Lambdas: [1, 2, 1] Nus: [0, 1] [2020-10-26 04:48:17,324 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-10-26 04:48:17,554 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-26 04:48:17,556 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:17,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:17,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:17,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:17,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:17,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:17,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:17,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:17,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2020-10-26 04:48:17,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:17,558 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:17,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:17,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:18,189 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:18,189 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:18,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:18,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:18,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:18,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:18,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:18,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:18,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:18,199 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:18,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:18,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:18,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:18,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:18,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:18,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:18,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:18,251 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 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:18,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:18,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:18,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:18,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:18,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:18,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:18,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:18,285 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 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:18,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:18,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:18,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:18,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:18,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:18,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:18,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:18,321 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:18,348 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:48:18,348 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:18,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:18,356 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:18,356 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:18,356 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-26 04:48:18,403 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:18,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:18,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:18,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:18,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:18,504 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-26 04:48:18,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20 Second operand 5 states. [2020-10-26 04:48:18,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20. Second operand 5 states. Result 48 states and 64 transitions. Complement of second has 7 states. [2020-10-26 04:48:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:48:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-26 04:48:18,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-26 04:48:18,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:18,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-26 04:48:18,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:18,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-26 04:48:18,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:18,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2020-10-26 04:48:18,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:18,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2020-10-26 04:48:18,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-26 04:48:18,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-26 04:48:18,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2020-10-26 04:48:18,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:18,563 INFO L691 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-26 04:48:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2020-10-26 04:48:18,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-26 04:48:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-26 04:48:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2020-10-26 04:48:18,567 INFO L714 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-26 04:48:18,567 INFO L594 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-26 04:48:18,567 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-26 04:48:18,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2020-10-26 04:48:18,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:18,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:18,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:18,568 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:18,568 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:18,569 INFO L794 eck$LassoCheckResult]: Stem: 985#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 984#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 983#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 968#L27 assume !!(f_~k~0 <= 1073741823); 969#L30-2 assume !(f_~z~0 < f_~k~0); 970#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 971#L18 assume !(0 == __VERIFIER_assert_~cond); 966#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 967#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 993#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 995#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1003#L38 assume 0 != f_~c~0 % 256; 980#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 981#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1004#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 973#L38-2 [2020-10-26 04:48:18,569 INFO L796 eck$LassoCheckResult]: Loop: 973#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 972#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 973#L38-2 [2020-10-26 04:48:18,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991602, now seen corresponding path program 1 times [2020-10-26 04:48:18,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:18,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184163165] [2020-10-26 04:48:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,599 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:18,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:18,600 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 2 times [2020-10-26 04:48:18,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:18,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012625350] [2020-10-26 04:48:18,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,607 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1545289547, now seen corresponding path program 2 times [2020-10-26 04:48:18,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:18,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484759953] [2020-10-26 04:48:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:18,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:18,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:19,071 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2020-10-26 04:48:19,345 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-26 04:48:19,351 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:19,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:19,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:19,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:19,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:19,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:19,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:19,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:19,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2020-10-26 04:48:19,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:19,352 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:19,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:19,973 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:19,973 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:19,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:19,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:19,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:19,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:19,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:19,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:19,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:19,988 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:20,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,038 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:20,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,081 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:20,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,112 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 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,145 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 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,174 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 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,202 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 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,231 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 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,261 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 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,290 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 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,335 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 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,377 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 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,409 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 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,441 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 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:20,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:20,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:20,467 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 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,499 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:20,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,543 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 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:20,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:20,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:20,574 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 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:20,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:20,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:20,605 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 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:20,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:20,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:20,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:20,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:20,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:20,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:20,643 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:20,658 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-26 04:48:20,658 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:20,661 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:20,666 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:20,666 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:20,666 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [999999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2020-10-26 04:48:20,702 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:20,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:20,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:20,828 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:20,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:20,853 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-26 04:48:20,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23 Second operand 6 states. [2020-10-26 04:48:20,984 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23. Second operand 6 states. Result 59 states and 79 transitions. Complement of second has 9 states. [2020-10-26 04:48:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-26 04:48:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:48:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2020-10-26 04:48:20,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-26 04:48:20,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:20,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:20,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:20,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-26 04:48:20,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:20,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 79 transitions. [2020-10-26 04:48:20,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:20,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 72 transitions. [2020-10-26 04:48:20,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-10-26 04:48:20,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-26 04:48:20,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 72 transitions. [2020-10-26 04:48:20,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:20,991 INFO L691 BuchiCegarLoop]: Abstraction has 54 states and 72 transitions. [2020-10-26 04:48:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 72 transitions. [2020-10-26 04:48:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-26 04:48:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-26 04:48:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2020-10-26 04:48:20,994 INFO L714 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-26 04:48:20,994 INFO L594 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-26 04:48:20,995 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-26 04:48:20,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 68 transitions. [2020-10-26 04:48:20,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:20,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:20,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:20,996 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:20,996 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:20,996 INFO L794 eck$LassoCheckResult]: Stem: 1198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1197#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1196#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1177#L27-1 assume !!(f_~k~0 <= 1073741823); 1178#L30-6 assume !(f_~z~0 < f_~k~0); 1206#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1175#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1176#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1199#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1200#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1201#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1202#L38-3 assume 0 != f_~c~0 % 256; 1185#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1186#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1216#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1210#L38-5 [2020-10-26 04:48:20,996 INFO L796 eck$LassoCheckResult]: Loop: 1210#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1209#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1210#L38-5 [2020-10-26 04:48:20,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:20,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279767, now seen corresponding path program 1 times [2020-10-26 04:48:20,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:20,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535206311] [2020-10-26 04:48:20,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:21,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:21,021 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 2 times [2020-10-26 04:48:21,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:21,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623350810] [2020-10-26 04:48:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,026 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,027 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:21,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:21,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2080040222, now seen corresponding path program 2 times [2020-10-26 04:48:21,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:21,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264030608] [2020-10-26 04:48:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:21,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:21,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:21,505 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2020-10-26 04:48:21,812 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-10-26 04:48:21,819 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:21,819 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:21,819 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:21,820 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:21,820 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:21,820 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:21,820 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:21,820 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:21,820 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2020-10-26 04:48:21,820 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:21,820 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:21,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:21,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:22,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:22,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:22,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:22,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:22,465 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,490 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:22,495 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 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:22,532 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,582 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,631 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 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,658 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 [2020-10-26 04:48:22,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:22,664 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 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:22,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:22,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:22,691 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 129 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:22,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:22,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:22,725 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:22,757 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,781 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:22,792 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:22,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:22,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,833 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,884 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,927 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:22,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:22,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:22,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:22,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:22,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:22,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:22,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:22,969 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,017 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,061 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,102 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,147 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,192 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,229 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 [2020-10-26 04:48:23,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,238 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:23,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:23,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,280 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:23,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:23,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:23,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:23,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,321 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 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,345 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 [2020-10-26 04:48:23,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:23,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:23,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:23,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:23,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:23,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:23,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:23,375 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:48:23,375 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 145 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 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:23,377 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:23,379 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:23,379 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:23,380 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-26 04:48:23,421 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:23,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:23,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:23,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:23,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:23,516 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:23,516 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27 Second operand 4 states. [2020-10-26 04:48:23,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27. Second operand 4 states. Result 69 states and 90 transitions. Complement of second has 6 states. [2020-10-26 04:48:23,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-26 04:48:23,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-26 04:48:23,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:23,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:23,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:23,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-26 04:48:23,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:23,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 90 transitions. [2020-10-26 04:48:23,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:23,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 80 transitions. [2020-10-26 04:48:23,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2020-10-26 04:48:23,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2020-10-26 04:48:23,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2020-10-26 04:48:23,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:23,598 INFO L691 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-10-26 04:48:23,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2020-10-26 04:48:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-10-26 04:48:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-26 04:48:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2020-10-26 04:48:23,609 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-26 04:48:23,609 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-26 04:48:23,609 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-10-26 04:48:23,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 78 transitions. [2020-10-26 04:48:23,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 04:48:23,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:23,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:23,611 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:23,611 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:23,612 INFO L794 eck$LassoCheckResult]: Stem: 1417#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1416#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1415#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1400#L27 assume !!(f_~k~0 <= 1073741823); 1401#L30-2 assume !(f_~z~0 < f_~k~0); 1402#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1403#L18 assume !(0 == __VERIFIER_assert_~cond); 1398#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1399#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1426#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1428#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1406#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1407#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1404#L38 assume 0 != f_~c~0 % 256; 1405#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1438#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1436#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1435#L38-2 [2020-10-26 04:48:23,612 INFO L796 eck$LassoCheckResult]: Loop: 1435#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1434#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1435#L38-2 [2020-10-26 04:48:23,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:23,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1435303097, now seen corresponding path program 3 times [2020-10-26 04:48:23,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:23,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684450841] [2020-10-26 04:48:23,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,644 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:23,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:23,644 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 3 times [2020-10-26 04:48:23,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:23,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527449821] [2020-10-26 04:48:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,656 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:23,659 INFO L82 PathProgramCache]: Analyzing trace with hash -641772114, now seen corresponding path program 4 times [2020-10-26 04:48:23,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:23,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080631907] [2020-10-26 04:48:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:23,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:23,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:24,224 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-10-26 04:48:24,517 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-10-26 04:48:24,522 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:24,522 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:24,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:24,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:24,523 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:24,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:24,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:24,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:24,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2020-10-26 04:48:24,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:24,523 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:24,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:24,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:25,173 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:25,173 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 146 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 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:25,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:25,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:25,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:25,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:25,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:25,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:25,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:25,193 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 147 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 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:25,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:25,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:25,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:25,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:25,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:25,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:25,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:25,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:25,245 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-26 04:48:25,245 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 148 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 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:25,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:25,251 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:25,251 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:25,251 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-10-26 04:48:25,285 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:25,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:25,378 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:25,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-26 04:48:25,425 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 67 states and 86 transitions. Complement of second has 6 states. [2020-10-26 04:48:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-26 04:48:25,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:25,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:25,427 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:48:25,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:25,515 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:25,515 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-26 04:48:25,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 67 states and 86 transitions. Complement of second has 6 states. [2020-10-26 04:48:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-26 04:48:25,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:25,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:25,586 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:48:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:25,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:48:25,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:25,671 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:48:25,671 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-26 04:48:25,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 70 states and 91 transitions. Complement of second has 5 states. [2020-10-26 04:48:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:48:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:48:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2020-10-26 04:48:25,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:25,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:25,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-26 04:48:25,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:25,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-26 04:48:25,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:25,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 91 transitions. [2020-10-26 04:48:25,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:48:25,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 31 states and 40 transitions. [2020-10-26 04:48:25,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-26 04:48:25,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-26 04:48:25,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-26 04:48:25,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:48:25,724 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-26 04:48:25,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-26 04:48:25,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-26 04:48:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-26 04:48:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-10-26 04:48:25,728 INFO L714 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-26 04:48:25,728 INFO L594 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-26 04:48:25,728 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-10-26 04:48:25,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-10-26 04:48:25,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:48:25,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:48:25,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:48:25,729 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:48:25,729 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:48:25,729 INFO L794 eck$LassoCheckResult]: Stem: 1904#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1903#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1902#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1897#L27-1 assume !!(f_~k~0 <= 1073741823); 1898#L30-6 assume !(f_~z~0 < f_~k~0); 1912#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1895#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1896#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1905#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1906#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1907#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1909#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1925#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1924#L38-3 assume 0 != f_~c~0 % 256; 1922#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1921#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1920#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1919#L38-5 [2020-10-26 04:48:25,729 INFO L796 eck$LassoCheckResult]: Loop: 1919#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1918#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1919#L38-5 [2020-10-26 04:48:25,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2104940624, now seen corresponding path program 3 times [2020-10-26 04:48:25,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440002820] [2020-10-26 04:48:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,751 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,776 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:25,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,777 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 3 times [2020-10-26 04:48:25,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:25,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988944949] [2020-10-26 04:48:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,789 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,793 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash 81661175, now seen corresponding path program 4 times [2020-10-26 04:48:25,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:48:25,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013900639] [2020-10-26 04:48:25,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:48:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:48:25,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:48:25,844 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:48:26,336 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-10-26 04:48:26,598 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-26 04:48:26,602 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:48:26,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:48:26,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:48:26,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:48:26,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:48:26,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:26,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:48:26,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:48:26,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2020-10-26 04:48:26,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:48:26,602 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:48:26,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:26,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:48:27,155 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:48:27,156 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 149 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 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,167 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 150 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 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,197 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 151 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 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,221 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 [2020-10-26 04:48:27,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,228 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 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:27,250 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 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,257 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 153 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 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,286 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 154 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 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,321 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 155 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 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 156 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 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,380 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 157 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 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,411 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 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:48:27,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,443 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 159 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 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,471 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 160 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 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,504 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 161 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 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,535 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 162 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 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:27,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:27,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:27,560 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 163 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 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,589 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 164 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 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:27,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:27,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:27,617 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 165 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 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:48:27,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:48:27,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:48:27,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:48:27,644 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 166 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 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,666 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 [2020-10-26 04:48:27,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:48:27,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:48:27,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:48:27,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:48:27,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:48:27,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:48:27,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:48:27,696 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-26 04:48:27,696 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 167 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 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:48:27,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:48:27,700 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:48:27,700 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:48:27,701 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [499999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2020-10-26 04:48:27,732 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 04:48:27,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:27,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:27,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:27,875 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:27,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:27,902 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-26 04:48:27,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-26 04:48:28,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 37 states and 47 transitions. Complement of second has 9 states. [2020-10-26 04:48:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-26 04:48:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:48:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-26 04:48:28,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:28,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:28,007 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:48:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:28,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:28,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:28,140 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:28,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:28,165 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-26 04:48:28,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-26 04:48:28,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 37 states and 47 transitions. Complement of second has 9 states. [2020-10-26 04:48:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-26 04:48:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:48:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-26 04:48:28,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:28,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:28,263 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:48:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:48:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:28,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:28,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:48:28,396 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:48:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:48:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:48:28,423 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-26 04:48:28,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-26 04:48:28,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 38 states and 49 transitions. Complement of second has 8 states. [2020-10-26 04:48:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-26 04:48:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:48:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2020-10-26 04:48:28,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 04:48:28,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:28,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-26 04:48:28,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:28,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-26 04:48:28,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:48:28,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2020-10-26 04:48:28,530 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:48:28,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:48:28,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:48:28,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:48:28,531 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-10-26 04:48:28,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:48:28,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:48:28,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:48:28,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:48:28 BoogieIcfgContainer [2020-10-26 04:48:28,538 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:48:28,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:48:28,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:48:28,539 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:48:28,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:48:05" (3/4) ... [2020-10-26 04:48:28,543 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:48:28,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:48:28,544 INFO L168 Benchmark]: Toolchain (without parser) took 23852.30 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 29.3 MB in the beginning and 49.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:48:28,545 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 19.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:48:28,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 30.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:48:28,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.68 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 28.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:48:28,546 INFO L168 Benchmark]: Boogie Preprocessor took 28.64 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 27.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:48:28,546 INFO L168 Benchmark]: RCFGBuilder took 414.43 ms. Allocated memory is still 52.4 MB. Free memory was 27.4 MB in the beginning and 25.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:48:28,547 INFO L168 Benchmark]: BuchiAutomizer took 23029.08 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 24.8 MB in the beginning and 50.8 MB in the end (delta: -26.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:48:28,547 INFO L168 Benchmark]: Witness Printer took 4.39 ms. Allocated memory is still 161.5 MB. Free memory was 50.8 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:48:28,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 19.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.98 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 30.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.68 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 28.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.64 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 27.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 414.43 ms. Allocated memory is still 52.4 MB. Free memory was 27.4 MB in the beginning and 25.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 23029.08 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 24.8 MB in the beginning and 50.8 MB in the end (delta: -26.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.39 ms. Allocated memory is still 161.5 MB. Free memory was 50.8 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * z + k and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 7 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.9s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 19.9s. Construction of modules took 0.3s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 326 SDtfs, 511 SDslu, 160 SDs, 0 SdLazy, 200 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital129 mio100 ax100 hnf97 lsp47 ukn64 mio100 lsp79 div306 bol100 ite100 ukn100 eq142 hnf47 smp86 dnf100 smp100 tf101 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...