./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/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 0.1.25-906a4fb [2020-10-19 19:11:30,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:11:30,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:11:30,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:11:30,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:11:30,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:11:30,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:11:30,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:11:30,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:11:30,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:11:30,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:11:30,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:11:30,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:11:30,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:11:30,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:11:30,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:11:30,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:11:30,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:11:30,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:11:30,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:11:30,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:11:30,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:11:30,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:11:30,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:11:30,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:11:30,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:11:30,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:11:30,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:11:30,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:11:30,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:11:30,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:11:30,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:11:30,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:11:30,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:11:30,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:11:30,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:11:30,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:11:30,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:11:30,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:11:30,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:11:30,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:11:30,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:11:30,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:11:30,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:11:30,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:11:30,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:11:30,387 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:11:30,388 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:11:30,388 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:11:30,388 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:11:30,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:11:30,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:11:30,389 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:11:30,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:11:30,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:11:30,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:11:30,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:11:30,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:11:30,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:11:30,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:11:30,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:11:30,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:11:30,392 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:11:30,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:11:30,393 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:11:30,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:11:30,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:11:30,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:11:30,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:11:30,394 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:11:30,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:11:30,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:11:30,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:11:30,396 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:11:30,397 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:11:30,397 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 447515879dde6ddadac2168313caab8f63c0c815 [2020-10-19 19:11:30,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:11:30,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:11:30,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:11:30,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:11:30,744 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:11:30,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex01-2.i [2020-10-19 19:11:30,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af59e8b29/7bacf28a8a0d442fb22579099b30b562/FLAG238720068 [2020-10-19 19:11:31,276 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:11:31,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-2.i [2020-10-19 19:11:31,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af59e8b29/7bacf28a8a0d442fb22579099b30b562/FLAG238720068 [2020-10-19 19:11:31,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af59e8b29/7bacf28a8a0d442fb22579099b30b562 [2020-10-19 19:11:31,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:11:31,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:11:31,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:31,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:11:31,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:11:31,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:31" (1/1) ... [2020-10-19 19:11:31,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7595b861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:31, skipping insertion in model container [2020-10-19 19:11:31,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:31" (1/1) ... [2020-10-19 19:11:31,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:11:31,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:11:31,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:31,992 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:11:32,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:32,090 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:11:32,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32 WrapperNode [2020-10-19 19:11:32,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:32,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:32,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:11:32,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:11:32,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:32,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:11:32,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:11:32,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:11:32,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (1/1) ... [2020-10-19 19:11:32,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:11:32,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:11:32,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:11:32,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:11:32,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (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 [2020-10-19 19:11:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:11:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:11:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:11:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:11:32,532 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:11:32,532 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-19 19:11:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:32 BoogieIcfgContainer [2020-10-19 19:11:32,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:11:32,535 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:11:32,535 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:11:32,539 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:11:32,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:32,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:11:31" (1/3) ... [2020-10-19 19:11:32,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1563dab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:32, skipping insertion in model container [2020-10-19 19:11:32,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:32,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:32" (2/3) ... [2020-10-19 19:11:32,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1563dab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:32, skipping insertion in model container [2020-10-19 19:11:32,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:32,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:32" (3/3) ... [2020-10-19 19:11:32,544 INFO L373 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2020-10-19 19:11:32,605 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:11:32,605 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:11:32,605 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:11:32,605 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:11:32,606 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:11:32,606 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:11:32,606 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:11:32,606 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:11:32,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-19 19:11:32,654 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-19 19:11:32,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:32,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:32,663 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 19:11:32,664 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:32,664 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:11:32,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-19 19:11:32,668 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-19 19:11:32,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:32,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:32,669 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 19:11:32,669 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:32,680 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 26#L50true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 6#L27true assume !!(f_~k~0 <= 1073741823); 23#L30-2true [2020-10-19 19:11:32,680 INFO L796 eck$LassoCheckResult]: Loop: 23#L30-2true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 23#L30-2true [2020-10-19 19:11:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2020-10-19 19:11:32,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:32,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778339395] [2020-10-19 19:11:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,829 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:32,855 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-10-19 19:11:32,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:32,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896877969] [2020-10-19 19:11:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,880 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:32,884 INFO L82 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2020-10-19 19:11:32,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:32,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275583803] [2020-10-19 19:11:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:32,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:32,925 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:33,139 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-19 19:11:33,241 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:33,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:33,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:33,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:33,243 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:33,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:33,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:33,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2020-10-19 19:11:33,244 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:33,244 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:33,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:33,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:33,715 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,728 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 [2020-10-19 19:11:33,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:33,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:33,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:33,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:33,746 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,783 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 [2020-10-19 19:11:33,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:33,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:33,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:33,800 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) [2020-10-19 19:11:33,837 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 [2020-10-19 19:11:33,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:33,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:33,849 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,883 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 [2020-10-19 19:11:33,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:33,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:33,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:33,906 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,933 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 [2020-10-19 19:11:33,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:33,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:33,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:33,949 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:33,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:33,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:33,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:33,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:33,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:33,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:33,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:33,993 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,035 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 [2020-10-19 19:11:34,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:34,045 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 [2020-10-19 19:11:34,079 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 [2020-10-19 19:11:34,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:34,089 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 [2020-10-19 19:11:34,133 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 [2020-10-19 19:11:34,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:34,148 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 [2020-10-19 19:11:34,185 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 [2020-10-19 19:11:34,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:34,197 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 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,243 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 [2020-10-19 19:11:34,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:34,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,280 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 [2020-10-19 19:11:34,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:34,287 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,311 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 [2020-10-19 19:11:34,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:34,319 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,343 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 [2020-10-19 19:11:34,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:34,350 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,396 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 [2020-10-19 19:11:34,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:34,405 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) [2020-10-19 19:11:34,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:34,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,458 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 [2020-10-19 19:11:34,464 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) [2020-10-19 19:11:34,516 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 [2020-10-19 19:11:34,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,526 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) [2020-10-19 19:11:34,581 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 [2020-10-19 19:11:34,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:34,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:34,591 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) [2020-10-19 19:11:34,641 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 [2020-10-19 19:11:34,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:34,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:34,644 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 [2020-10-19 19:11:34,647 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) [2020-10-19 19:11:34,703 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 [2020-10-19 19:11:34,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,708 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 [2020-10-19 19:11:34,719 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) [2020-10-19 19:11:34,759 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 [2020-10-19 19:11:34,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:34,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:34,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:34,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:34,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:34,766 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 [2020-10-19 19:11:34,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:34,790 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-19 19:11:34,790 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) [2020-10-19 19:11:34,796 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 [2020-10-19 19:11:34,802 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:34,803 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:34,804 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] [2020-10-19 19:11:34,866 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:34,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:34,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 19:11:34,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:34,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:34,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:34,996 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 [2020-10-19 19:11:34,997 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2020-10-19 19:11:35,108 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. [2020-10-19 19:11:35,109 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 [2020-10-19 19:11:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 19:11:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2020-10-19 19:11:35,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-19 19:11:35,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:35,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-19 19:11:35,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:35,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 19:11:35,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:35,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 139 transitions. [2020-10-19 19:11:35,127 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2020-10-19 19:11:35,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 30 states and 38 transitions. [2020-10-19 19:11:35,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-19 19:11:35,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-19 19:11:35,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2020-10-19 19:11:35,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:11:35,136 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2020-10-19 19:11:35,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2020-10-19 19:11:35,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-10-19 19:11:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-19 19:11:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2020-10-19 19:11:35,168 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-19 19:11:35,169 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-19 19:11:35,169 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:11:35,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2020-10-19 19:11:35,170 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-19 19:11:35,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:35,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:35,171 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 19:11:35,171 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:35,172 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 208#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 207#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 193#L27-1 assume !!(f_~k~0 <= 1073741823); 194#L30-6 [2020-10-19 19:11:35,172 INFO L796 eck$LassoCheckResult]: Loop: 194#L30-6 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 194#L30-6 [2020-10-19 19:11:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash 927945, now seen corresponding path program 1 times [2020-10-19 19:11:35,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:35,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996509662] [2020-10-19 19:11:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,196 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,200 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:35,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:35,201 INFO L82 PathProgramCache]: Analyzing trace with hash 124, now seen corresponding path program 1 times [2020-10-19 19:11:35,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:35,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783582843] [2020-10-19 19:11:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,206 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,209 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,210 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:35,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:35,211 INFO L82 PathProgramCache]: Analyzing trace with hash 28766388, now seen corresponding path program 1 times [2020-10-19 19:11:35,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:35,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457185314] [2020-10-19 19:11:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:35,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:35,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:35,479 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-19 19:11:35,541 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:35,542 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:35,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:35,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:35,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:35,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:35,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:35,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:35,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2020-10-19 19:11:35,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:35,543 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:35,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:35,898 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:35,898 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) [2020-10-19 19:11:35,908 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 [2020-10-19 19:11:35,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:35,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:35,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:35,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:35,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:35,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:35,912 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 [2020-10-19 19:11:35,916 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) [2020-10-19 19:11:35,953 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 [2020-10-19 19:11:35,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:35,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:35,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:35,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:35,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:35,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:35,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:35,958 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:35,994 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 [2020-10-19 19:11:35,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:35,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:35,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:35,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:35,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:35,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:35,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:35,999 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) [2020-10-19 19:11:36,033 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 [2020-10-19 19:11:36,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,038 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 [2020-10-19 19:11:36,043 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) [2020-10-19 19:11:36,081 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 [2020-10-19 19:11:36,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:36,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:36,085 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 [2020-10-19 19:11:36,087 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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,119 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 [2020-10-19 19:11:36,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:36,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:36,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:36,123 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 [2020-10-19 19:11:36,146 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 [2020-10-19 19:11:36,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:36,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:36,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:36,150 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) [2020-10-19 19:11:36,190 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 [2020-10-19 19:11:36,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,199 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:36,236 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 [2020-10-19 19:11:36,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,240 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 [2020-10-19 19:11:36,250 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) [2020-10-19 19:11:36,279 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 Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,288 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 [2020-10-19 19:11:36,315 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 [2020-10-19 19:11:36,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,323 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) [2020-10-19 19:11:36,365 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 [2020-10-19 19:11:36,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,370 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 [2020-10-19 19:11:36,379 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) [2020-10-19 19:11:36,414 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 [2020-10-19 19:11:36,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,426 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) [2020-10-19 19:11:36,461 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 [2020-10-19 19:11:36,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,470 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 [2020-10-19 19:11:36,504 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 [2020-10-19 19:11:36,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,513 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 [2020-10-19 19:11:36,538 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 [2020-10-19 19:11:36,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,547 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 [2020-10-19 19:11:36,572 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 [2020-10-19 19:11:36,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,579 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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:36,602 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 [2020-10-19 19:11:36,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:36,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:36,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:36,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:36,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:36,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:36,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:36,636 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-19 19:11:36,637 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 [2020-10-19 19:11:36,646 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:36,654 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:36,654 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:36,655 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] [2020-10-19 19:11:36,698 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:36,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 19:11:36,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:36,755 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:36,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:36,757 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 [2020-10-19 19:11:36,757 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-19 19:11:36,811 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. [2020-10-19 19:11:36,812 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 [2020-10-19 19:11:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 19:11:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-19 19:11:36,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-19 19:11:36,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:36,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-19 19:11:36,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:36,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 19:11:36,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:36,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-10-19 19:11:36,816 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2020-10-19 19:11:36,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 40 transitions. [2020-10-19 19:11:36,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-19 19:11:36,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-19 19:11:36,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-19 19:11:36,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:11:36,819 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-19 19:11:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-19 19:11:36,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2020-10-19 19:11:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-19 19:11:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-19 19:11:36,823 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-19 19:11:36,823 INFO L594 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-19 19:11:36,823 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 19:11:36,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2020-10-19 19:11:36,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:11:36,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:36,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:36,826 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:36,826 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:36,826 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 333#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 332#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 322#L27 assume !!(f_~k~0 <= 1073741823); 323#L30-2 assume !(f_~z~0 < f_~k~0); 324#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 325#L18 assume !(0 == __VERIFIER_assert_~cond); 320#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 321#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 339#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 328#L38-2 [2020-10-19 19:11:36,826 INFO L796 eck$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 [2020-10-19 19:11:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash 718497116, now seen corresponding path program 1 times [2020-10-19 19:11:36,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:36,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444816792] [2020-10-19 19:11:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,887 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:36,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:36,896 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 1 times [2020-10-19 19:11:36,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:36,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146899954] [2020-10-19 19:11:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,920 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:36,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:36,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004093, now seen corresponding path program 1 times [2020-10-19 19:11:36,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:36,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038209355] [2020-10-19 19:11:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,968 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:36,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:36,996 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:37,193 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-19 19:11:37,382 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-19 19:11:37,385 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:37,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:37,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:37,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:37,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:37,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:37,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:37,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:37,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2020-10-19 19:11:37,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:37,386 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:37,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:37,818 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:37,818 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 [2020-10-19 19:11:37,824 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 [2020-10-19 19:11:37,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:37,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:37,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:37,827 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 [2020-10-19 19:11:37,851 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 [2020-10-19 19:11:37,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:37,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:37,858 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 [2020-10-19 19:11:37,880 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 [2020-10-19 19:11:37,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:37,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:37,888 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 [2020-10-19 19:11:37,911 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 [2020-10-19 19:11:37,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:37,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:37,922 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 [2020-10-19 19:11:37,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:37,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:37,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:37,953 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 [2020-10-19 19:11:37,977 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 [2020-10-19 19:11:37,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:37,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:37,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:37,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:37,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:37,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:37,983 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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,007 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 [2020-10-19 19:11:38,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:38,014 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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,038 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 [2020-10-19 19:11:38,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:38,047 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) [2020-10-19 19:11:38,088 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 [2020-10-19 19:11:38,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,092 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 [2020-10-19 19:11:38,097 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) [2020-10-19 19:11:38,137 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 [2020-10-19 19:11:38,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,141 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 [2020-10-19 19:11:38,149 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) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,176 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 [2020-10-19 19:11:38,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:38,183 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 [2020-10-19 19:11:38,207 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 [2020-10-19 19:11:38,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:38,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:38,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:38,210 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 [2020-10-19 19:11:38,254 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 [2020-10-19 19:11:38,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:38,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:38,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:38,261 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 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 [2020-10-19 19:11:38,290 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 [2020-10-19 19:11:38,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:38,297 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 [2020-10-19 19:11:38,320 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 [2020-10-19 19:11:38,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:38,330 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) [2020-10-19 19:11:38,368 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 [2020-10-19 19:11:38,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:38,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:38,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:38,374 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 [2020-10-19 19:11:38,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:38,400 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 19:11:38,400 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) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,402 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:38,404 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:38,404 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:38,405 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] [2020-10-19 19:11:38,444 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:38,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:38,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:38,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:38,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:38,576 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 [2020-10-19 19:11:38,577 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-19 19:11:38,627 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. [2020-10-19 19:11:38,628 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 [2020-10-19 19:11:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-19 19:11:38,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-19 19:11:38,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:38,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-19 19:11:38,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:38,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-19 19:11:38,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:38,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2020-10-19 19:11:38,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:11:38,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2020-10-19 19:11:38,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2020-10-19 19:11:38,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-10-19 19:11:38,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2020-10-19 19:11:38,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:38,634 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2020-10-19 19:11:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2020-10-19 19:11:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-19 19:11:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 19:11:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2020-10-19 19:11:38,638 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-19 19:11:38,638 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-19 19:11:38,638 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 19:11:38,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2020-10-19 19:11:38,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:11:38,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:38,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:38,640 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:38,640 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:38,641 INFO L794 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 475#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 474#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 458#L27-1 assume !!(f_~k~0 <= 1073741823); 459#L30-6 assume !(f_~z~0 < f_~k~0); 480#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 456#L18-3 assume !(0 == __VERIFIER_assert_~cond); 457#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 477#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 478#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 467#L38-5 [2020-10-19 19:11:38,641 INFO L796 eck$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 [2020-10-19 19:11:38,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:38,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1617484252, now seen corresponding path program 1 times [2020-10-19 19:11:38,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:38,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700102339] [2020-10-19 19:11:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,668 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:38,669 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 1 times [2020-10-19 19:11:38,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:38,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743874046] [2020-10-19 19:11:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,678 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:38,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:38,678 INFO L82 PathProgramCache]: Analyzing trace with hash -375790557, now seen corresponding path program 1 times [2020-10-19 19:11:38,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:38,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003202814] [2020-10-19 19:11:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:38,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:38,708 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:38,897 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-10-19 19:11:39,069 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-19 19:11:39,074 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:39,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:39,075 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:39,075 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:39,075 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:39,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:39,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:39,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2020-10-19 19:11:39,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:39,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:39,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:39,517 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:39,517 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 [2020-10-19 19:11:39,524 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 [2020-10-19 19:11:39,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,538 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) [2020-10-19 19:11:39,577 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 [2020-10-19 19:11:39,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,586 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 [2020-10-19 19:11:39,608 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 [2020-10-19 19:11:39,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,616 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) [2020-10-19 19:11:39,637 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 [2020-10-19 19:11:39,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,641 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 [2020-10-19 19:11:39,664 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 [2020-10-19 19:11:39,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,668 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 [2020-10-19 19:11:39,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:39,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,698 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) [2020-10-19 19:11:39,733 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 [2020-10-19 19:11:39,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,740 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) [2020-10-19 19:11:39,773 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,777 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 [2020-10-19 19:11:39,801 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 [2020-10-19 19:11:39,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,806 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 [2020-10-19 19:11:39,830 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 [2020-10-19 19:11:39,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,842 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:39,855 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 19:11:39,855 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 [2020-10-19 19:11:39,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:39,871 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:39,871 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:39,871 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] [2020-10-19 19:11:39,910 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:39,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:39,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:39,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:39,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:39,987 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 [2020-10-19 19:11:39,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-10-19 19:11:40,028 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. [2020-10-19 19:11:40,029 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 [2020-10-19 19:11:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-19 19:11:40,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-19 19:11:40,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-19 19:11:40,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-19 19:11:40,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2020-10-19 19:11:40,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:11:40,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 45 transitions. [2020-10-19 19:11:40,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-19 19:11:40,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-19 19:11:40,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2020-10-19 19:11:40,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:40,033 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-19 19:11:40,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2020-10-19 19:11:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-19 19:11:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-19 19:11:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2020-10-19 19:11:40,037 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-19 19:11:40,037 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-19 19:11:40,037 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 19:11:40,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2020-10-19 19:11:40,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:11:40,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:40,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:40,039 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:40,039 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:11:40,039 INFO L794 eck$LassoCheckResult]: Stem: 626#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 623#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 622#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 610#L27 assume !!(f_~k~0 <= 1073741823); 611#L30-2 assume !(f_~z~0 < f_~k~0); 612#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 613#L18 assume !(0 == __VERIFIER_assert_~cond); 608#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 609#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 633#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 635#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 614#L38 assume 0 != f_~c~0 % 256; 615#L39 [2020-10-19 19:11:40,039 INFO L796 eck$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 [2020-10-19 19:11:40,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004097, now seen corresponding path program 1 times [2020-10-19 19:11:40,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24558226] [2020-10-19 19:11:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,064 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,065 INFO L82 PathProgramCache]: Analyzing trace with hash 99144, now seen corresponding path program 1 times [2020-10-19 19:11:40,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568117423] [2020-10-19 19:11:40,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,076 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:40,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991606, now seen corresponding path program 1 times [2020-10-19 19:11:40,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415952433] [2020-10-19 19:11:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,107 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:40,137 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:40,138 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:40,138 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:40,138 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:40,138 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:11:40,138 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,138 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:40,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:40,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2020-10-19 19:11:40,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:40,139 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:40,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,270 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:40,271 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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:40,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:40,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:40,288 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) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:40,310 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-10-19 19:11:40,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:11:40,335 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 [2020-10-19 19:11:40,348 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:40,348 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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:40,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:40,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:40,375 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) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:40,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:40,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:40,407 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: [] [2020-10-19 19:11:40,660 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-10-19 19:11:40,860 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-19 19:11:40,863 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:40,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:40,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:40,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:40,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:40,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:40,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:40,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2020-10-19 19:11:40,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:40,865 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:40,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:40,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:41,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:41,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:41,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:41,392 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:41,392 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 [2020-10-19 19:11:41,395 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 [2020-10-19 19:11:41,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,403 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) [2020-10-19 19:11:41,444 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 [2020-10-19 19:11:41,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:41,463 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) [2020-10-19 19:11:41,500 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 [2020-10-19 19:11:41,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:41,507 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 [2020-10-19 19:11:41,531 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 [2020-10-19 19:11:41,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,539 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 [2020-10-19 19:11:41,563 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 [2020-10-19 19:11:41,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,569 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 [2020-10-19 19:11:41,591 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 [2020-10-19 19:11:41,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,596 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 [2020-10-19 19:11:41,620 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 [2020-10-19 19:11:41,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,627 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 [2020-10-19 19:11:41,655 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 [2020-10-19 19:11:41,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,663 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 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 [2020-10-19 19:11:41,686 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 [2020-10-19 19:11:41,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,691 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 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 [2020-10-19 19:11:41,722 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 [2020-10-19 19:11:41,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,732 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 [2020-10-19 19:11:41,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:41,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,762 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) [2020-10-19 19:11:41,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:41,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,792 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 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 [2020-10-19 19:11:41,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:41,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:41,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:41,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:41,821 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 [2020-10-19 19:11:41,844 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 [2020-10-19 19:11:41,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:41,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:41,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:41,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:41,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:41,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:41,856 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:41,866 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 19:11:41,866 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 [2020-10-19 19:11:41,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:41,872 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2020-10-19 19:11:41,872 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:41,872 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 - 1 >= 0, 1*ULTIMATE.start_f_~x~0 - 1 >= 0] [2020-10-19 19:11:41,908 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-19 19:11:41,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:41,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:41,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:41,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:41,999 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 [2020-10-19 19:11:42,000 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-10-19 19:11:42,058 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. [2020-10-19 19:11:42,059 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 [2020-10-19 19:11:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:11:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-19 19:11:42,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-19 19:11:42,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:42,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-19 19:11:42,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:42,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-19 19:11:42,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:42,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2020-10-19 19:11:42,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-19 19:11:42,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 52 transitions. [2020-10-19 19:11:42,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-19 19:11:42,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-19 19:11:42,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 52 transitions. [2020-10-19 19:11:42,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:42,066 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-19 19:11:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 52 transitions. [2020-10-19 19:11:42,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-19 19:11:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-19 19:11:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2020-10-19 19:11:42,074 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-19 19:11:42,074 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-19 19:11:42,074 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-19 19:11:42,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 51 transitions. [2020-10-19 19:11:42,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-19 19:11:42,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:42,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:42,078 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:42,078 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:11:42,078 INFO L794 eck$LassoCheckResult]: Stem: 802#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 801#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 800#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 782#L27-1 assume !!(f_~k~0 <= 1073741823); 783#L30-6 assume !(f_~z~0 < f_~k~0); 810#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 780#L18-3 assume !(0 == __VERIFIER_assert_~cond); 781#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 803#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 804#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 805#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 809#L38-3 assume 0 != f_~c~0 % 256; 795#L39-1 [2020-10-19 19:11:42,078 INFO L796 eck$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 [2020-10-19 19:11:42,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:42,079 INFO L82 PathProgramCache]: Analyzing trace with hash -375790561, now seen corresponding path program 1 times [2020-10-19 19:11:42,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:42,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474416423] [2020-10-19 19:11:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,134 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash 171633, now seen corresponding path program 1 times [2020-10-19 19:11:42,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:42,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458443669] [2020-10-19 19:11:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:42,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279763, now seen corresponding path program 1 times [2020-10-19 19:11:42,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:42,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632044040] [2020-10-19 19:11:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:42,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:42,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:42,236 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:42,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:42,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:42,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:42,237 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:11:42,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:42,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:42,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:42,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2020-10-19 19:11:42,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:42,238 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:42,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,383 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:42,383 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 [2020-10-19 19:11:42,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:42,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:42,390 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:42,390 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 [2020-10-19 19:11:42,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:42,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:42,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:42,424 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 [2020-10-19 19:11:42,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:42,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:42,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:42,457 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) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:42,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:11:42,482 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-19 19:11:42,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:11:42,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:11:42,522 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:11:42,522 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] [2020-10-19 19:11:42,742 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-10-19 19:11:42,915 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-19 19:11:42,919 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:42,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:42,919 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:42,919 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:42,919 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:42,919 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:42,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:42,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:42,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2020-10-19 19:11:42,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:42,920 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:42,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:42,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:43,390 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:43,391 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 [2020-10-19 19:11:43,398 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 [2020-10-19 19:11:43,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:43,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:43,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:43,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:43,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:43,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:43,405 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) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:43,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:43,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:43,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:43,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:43,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:43,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:43,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:43,433 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 [2020-10-19 19:11:43,457 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 [2020-10-19 19:11:43,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:43,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:43,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:43,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:43,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:43,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:43,464 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 [2020-10-19 19:11:43,487 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 [2020-10-19 19:11:43,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:43,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:43,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:43,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:43,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:43,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:43,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:43,508 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 19:11:43,508 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) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:43,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:43,512 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:43,512 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:43,512 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] [2020-10-19 19:11:43,546 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:43,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:43,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:43,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:43,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:43,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:43,634 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 [2020-10-19 19:11:43,634 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20 Second operand 5 states. [2020-10-19 19:11:43,691 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. [2020-10-19 19:11:43,694 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 [2020-10-19 19:11:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:11:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-19 19:11:43,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-19 19:11:43,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:43,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-19 19:11:43,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:43,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-19 19:11:43,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:43,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2020-10-19 19:11:43,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:43,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2020-10-19 19:11:43,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-19 19:11:43,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-19 19:11:43,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2020-10-19 19:11:43,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:43,702 INFO L691 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-19 19:11:43,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2020-10-19 19:11:43,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-19 19:11:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-19 19:11:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2020-10-19 19:11:43,711 INFO L714 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-19 19:11:43,711 INFO L594 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-19 19:11:43,712 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-19 19:11:43,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2020-10-19 19:11:43,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:43,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:43,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:43,714 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:43,714 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:43,714 INFO L794 eck$LassoCheckResult]: Stem: 985#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 984#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 983#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 968#L27 assume !!(f_~k~0 <= 1073741823); 969#L30-2 assume !(f_~z~0 < f_~k~0); 970#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 971#L18 assume !(0 == __VERIFIER_assert_~cond); 966#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 967#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 993#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 995#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1003#L38 assume 0 != f_~c~0 % 256; 980#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 981#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1004#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 973#L38-2 [2020-10-19 19:11:43,715 INFO L796 eck$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 [2020-10-19 19:11:43,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:43,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991602, now seen corresponding path program 1 times [2020-10-19 19:11:43,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:43,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447843572] [2020-10-19 19:11:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,736 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,739 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:43,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:43,740 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 2 times [2020-10-19 19:11:43,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:43,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321249961] [2020-10-19 19:11:43,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,746 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,748 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:43,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1545289547, now seen corresponding path program 2 times [2020-10-19 19:11:43,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:43,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378671508] [2020-10-19 19:11:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:43,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:43,774 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:44,106 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2020-10-19 19:11:44,317 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-19 19:11:44,320 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:44,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:44,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:44,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:44,320 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:44,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:44,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:44,320 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:44,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2020-10-19 19:11:44,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:44,321 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:44,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:44,851 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:44,851 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 [2020-10-19 19:11:44,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:44,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:44,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:44,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:44,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:44,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:44,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:44,864 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) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:44,887 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 [2020-10-19 19:11:44,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:44,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:44,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:44,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:44,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:44,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:44,893 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) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:44,916 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 [2020-10-19 19:11:44,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:44,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:44,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:44,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:44,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:44,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:44,925 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) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:44,947 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 [2020-10-19 19:11:44,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:44,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:44,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:44,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:44,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:44,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:44,952 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 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 [2020-10-19 19:11:44,976 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 [2020-10-19 19:11:44,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:44,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:44,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:44,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:44,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:44,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:44,981 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 [2020-10-19 19:11:45,005 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 [2020-10-19 19:11:45,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,013 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) [2020-10-19 19:11:45,036 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,042 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 [2020-10-19 19:11:45,064 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 [2020-10-19 19:11:45,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,070 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 [2020-10-19 19:11:45,094 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 [2020-10-19 19:11:45,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,100 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 [2020-10-19 19:11:45,121 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 [2020-10-19 19:11:45,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,128 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 [2020-10-19 19:11:45,151 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 [2020-10-19 19:11:45,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,158 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 [2020-10-19 19:11:45,181 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 [2020-10-19 19:11:45,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,192 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:45,234 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 [2020-10-19 19:11:45,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,243 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) [2020-10-19 19:11:45,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:45,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,297 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) [2020-10-19 19:11:45,347 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 [2020-10-19 19:11:45,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:45,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:45,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,354 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) [2020-10-19 19:11:45,400 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 [2020-10-19 19:11:45,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,413 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) [2020-10-19 19:11:45,470 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 [2020-10-19 19:11:45,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,475 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 [2020-10-19 19:11:45,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:45,535 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 [2020-10-19 19:11:45,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:45,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:45,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,541 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) [2020-10-19 19:11:45,582 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 [2020-10-19 19:11:45,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:45,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:45,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:45,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,589 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:45,627 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 [2020-10-19 19:11:45,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:45,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:45,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:45,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:45,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:45,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:45,650 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:45,670 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-19 19:11:45,671 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) [2020-10-19 19:11:45,674 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 [2020-10-19 19:11:45,677 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:45,678 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:45,678 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] [2020-10-19 19:11:45,726 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:45,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:45,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:45,820 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:45,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:45,843 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 [2020-10-19 19:11:45,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23 Second operand 6 states. [2020-10-19 19:11:45,944 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. [2020-10-19 19:11:45,945 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 [2020-10-19 19:11:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 19:11:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2020-10-19 19:11:45,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 19:11:45,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:45,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:45,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:45,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-19 19:11:45,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:45,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 79 transitions. [2020-10-19 19:11:45,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:45,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 72 transitions. [2020-10-19 19:11:45,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-10-19 19:11:45,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-19 19:11:45,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 72 transitions. [2020-10-19 19:11:45,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:45,951 INFO L691 BuchiCegarLoop]: Abstraction has 54 states and 72 transitions. [2020-10-19 19:11:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 72 transitions. [2020-10-19 19:11:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-19 19:11:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-19 19:11:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2020-10-19 19:11:45,955 INFO L714 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-19 19:11:45,955 INFO L594 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-19 19:11:45,956 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-19 19:11:45,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 68 transitions. [2020-10-19 19:11:45,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:45,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:45,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:45,958 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:45,958 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:45,958 INFO L794 eck$LassoCheckResult]: Stem: 1198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1197#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1196#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1177#L27-1 assume !!(f_~k~0 <= 1073741823); 1178#L30-6 assume !(f_~z~0 < f_~k~0); 1206#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1175#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1176#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1199#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1200#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1201#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1202#L38-3 assume 0 != f_~c~0 % 256; 1185#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1186#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1216#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1210#L38-5 [2020-10-19 19:11:45,958 INFO L796 eck$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 [2020-10-19 19:11:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279767, now seen corresponding path program 1 times [2020-10-19 19:11:45,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:45,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537972081] [2020-10-19 19:11:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:45,968 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:45,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:45,980 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:45,981 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 2 times [2020-10-19 19:11:45,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:45,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169591074] [2020-10-19 19:11:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:45,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:45,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:45,987 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:45,988 INFO L82 PathProgramCache]: Analyzing trace with hash 2080040222, now seen corresponding path program 2 times [2020-10-19 19:11:45,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:45,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228935470] [2020-10-19 19:11:45,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:45,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:46,341 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2020-10-19 19:11:46,598 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-19 19:11:46,602 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:46,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:46,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:46,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:46,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:46,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:46,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:46,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:46,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2020-10-19 19:11:46,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:46,603 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:46,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:47,085 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 [2020-10-19 19:11:47,089 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 [2020-10-19 19:11:47,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,093 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 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,115 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 [2020-10-19 19:11:47,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,120 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 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 [2020-10-19 19:11:47,145 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 [2020-10-19 19:11:47,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,154 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:47,180 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 [2020-10-19 19:11:47,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,184 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 [2020-10-19 19:11:47,189 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) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,216 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 [2020-10-19 19:11:47,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,224 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 [2020-10-19 19:11:47,247 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 [2020-10-19 19:11:47,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,253 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) [2020-10-19 19:11:47,277 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,280 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 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 [2020-10-19 19:11:47,301 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 [2020-10-19 19:11:47,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,304 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) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,328 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 [2020-10-19 19:11:47,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,335 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 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,357 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 [2020-10-19 19:11:47,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,363 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) Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,384 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 [2020-10-19 19:11:47,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,387 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) Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,410 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 [2020-10-19 19:11:47,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,418 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) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,440 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 [2020-10-19 19:11:47,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,446 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) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,468 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 [2020-10-19 19:11:47,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,474 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) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,496 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 [2020-10-19 19:11:47,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,501 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) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,523 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 [2020-10-19 19:11:47,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,529 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) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,553 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 [2020-10-19 19:11:47,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,560 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 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,583 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 [2020-10-19 19:11:47,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,590 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) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,612 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 [2020-10-19 19:11:47,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,617 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 141 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,641 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 [2020-10-19 19:11:47,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,647 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) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,668 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 [2020-10-19 19:11:47,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,671 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) Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,694 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 [2020-10-19 19:11:47,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,697 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 [2020-10-19 19:11:47,724 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 [2020-10-19 19:11:47,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:47,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:47,738 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:47,754 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 19:11:47,755 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 [2020-10-19 19:11:47,756 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:47,758 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:47,759 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:47,759 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] [2020-10-19 19:11:47,792 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:47,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:47,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:47,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:47,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:47,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:47,866 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 [2020-10-19 19:11:47,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27 Second operand 4 states. [2020-10-19 19:11:47,914 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. [2020-10-19 19:11:47,915 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 [2020-10-19 19:11:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-19 19:11:47,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 19:11:47,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:47,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:47,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:47,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-19 19:11:47,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:47,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 90 transitions. [2020-10-19 19:11:47,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:47,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 80 transitions. [2020-10-19 19:11:47,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2020-10-19 19:11:47,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2020-10-19 19:11:47,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2020-10-19 19:11:47,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:47,921 INFO L691 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-10-19 19:11:47,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2020-10-19 19:11:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-10-19 19:11:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 19:11:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2020-10-19 19:11:47,925 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-19 19:11:47,925 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-19 19:11:47,926 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-10-19 19:11:47,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 78 transitions. [2020-10-19 19:11:47,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 19:11:47,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:47,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:47,927 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:47,927 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:47,927 INFO L794 eck$LassoCheckResult]: Stem: 1417#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1416#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1415#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1400#L27 assume !!(f_~k~0 <= 1073741823); 1401#L30-2 assume !(f_~z~0 < f_~k~0); 1402#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1403#L18 assume !(0 == __VERIFIER_assert_~cond); 1398#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1399#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1426#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1428#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1406#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1407#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1404#L38 assume 0 != f_~c~0 % 256; 1405#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1438#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1436#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1435#L38-2 [2020-10-19 19:11:47,927 INFO L796 eck$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 [2020-10-19 19:11:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:47,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1435303097, now seen corresponding path program 3 times [2020-10-19 19:11:47,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:47,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953029243] [2020-10-19 19:11:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,951 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:47,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 3 times [2020-10-19 19:11:47,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:47,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670322324] [2020-10-19 19:11:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,958 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:47,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:47,959 INFO L82 PathProgramCache]: Analyzing trace with hash -641772114, now seen corresponding path program 4 times [2020-10-19 19:11:47,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:47,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217722597] [2020-10-19 19:11:47,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:47,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:47,982 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:48,364 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-10-19 19:11:48,652 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-19 19:11:48,655 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:48,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:48,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:48,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:48,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:48,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:48,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:48,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2020-10-19 19:11:48,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:48,657 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:48,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:48,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:49,158 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:49,158 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 [2020-10-19 19:11:49,161 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 [2020-10-19 19:11:49,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:49,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:49,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:49,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:49,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:49,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:49,171 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 [2020-10-19 19:11:49,192 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 [2020-10-19 19:11:49,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:49,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:49,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:49,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:49,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:49,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:49,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:49,221 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 19:11:49,221 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 [2020-10-19 19:11:49,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:49,226 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:49,227 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:49,227 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] [2020-10-19 19:11:49,261 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:49,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:49,337 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 [2020-10-19 19:11:49,338 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-19 19:11:49,378 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. [2020-10-19 19:11:49,379 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 [2020-10-19 19:11:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-19 19:11:49,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:49,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,380 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 19:11:49,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:49,457 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 [2020-10-19 19:11:49,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-19 19:11:49,501 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. [2020-10-19 19:11:49,503 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 [2020-10-19 19:11:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-19 19:11:49,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:49,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,504 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 19:11:49,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:49,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:49,574 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 [2020-10-19 19:11:49,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-19 19:11:49,612 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. [2020-10-19 19:11:49,615 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 [2020-10-19 19:11:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:11:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2020-10-19 19:11:49,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:49,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-19 19:11:49,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-19 19:11:49,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 91 transitions. [2020-10-19 19:11:49,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 19:11:49,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 31 states and 40 transitions. [2020-10-19 19:11:49,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-19 19:11:49,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-19 19:11:49,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-19 19:11:49,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:11:49,618 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-19 19:11:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-19 19:11:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-19 19:11:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-19 19:11:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-10-19 19:11:49,621 INFO L714 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-19 19:11:49,621 INFO L594 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-19 19:11:49,621 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-10-19 19:11:49,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-10-19 19:11:49,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 19:11:49,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:49,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:49,623 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:49,623 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 19:11:49,624 INFO L794 eck$LassoCheckResult]: Stem: 1904#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1903#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1902#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1897#L27-1 assume !!(f_~k~0 <= 1073741823); 1898#L30-6 assume !(f_~z~0 < f_~k~0); 1912#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1895#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1896#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1905#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1906#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1907#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1909#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1925#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1924#L38-3 assume 0 != f_~c~0 % 256; 1922#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1921#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1920#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1919#L38-5 [2020-10-19 19:11:49,624 INFO L796 eck$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 [2020-10-19 19:11:49,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2104940624, now seen corresponding path program 3 times [2020-10-19 19:11:49,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:49,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087370471] [2020-10-19 19:11:49,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,646 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:49,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,647 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 3 times [2020-10-19 19:11:49,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:49,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680393497] [2020-10-19 19:11:49,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,653 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:49,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:49,654 INFO L82 PathProgramCache]: Analyzing trace with hash 81661175, now seen corresponding path program 4 times [2020-10-19 19:11:49,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:49,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266163092] [2020-10-19 19:11:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:49,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:49,674 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:50,114 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-10-19 19:11:50,323 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-10-19 19:11:50,326 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:50,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:50,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:50,326 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:50,326 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:50,326 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:50,326 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:50,326 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:50,326 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2020-10-19 19:11:50,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:50,327 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:50,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:50,752 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:50,753 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) [2020-10-19 19:11:50,756 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 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:50,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,762 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 [2020-10-19 19:11:50,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:50,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,792 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 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:50,818 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 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:50,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,824 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) Waiting until toolchain timeout for monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:50,846 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 [2020-10-19 19:11:50,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,853 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 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 [2020-10-19 19:11:50,882 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 [2020-10-19 19:11:50,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,889 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 [2020-10-19 19:11:50,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:50,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 19:11:50,939 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 [2020-10-19 19:11:50,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,944 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 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 [2020-10-19 19:11:50,966 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 [2020-10-19 19:11:50,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:50,972 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 [2020-10-19 19:11:50,994 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 [2020-10-19 19:11:50,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:50,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:50,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:50,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:50,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:50,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 158 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 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:51,025 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 [2020-10-19 19:11:51,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,030 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 [2020-10-19 19:11:51,055 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 [2020-10-19 19:11:51,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,060 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 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 [2020-10-19 19:11:51,083 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 [2020-10-19 19:11:51,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,089 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 [2020-10-19 19:11:51,113 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 [2020-10-19 19:11:51,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,121 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 [2020-10-19 19:11:51,145 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 [2020-10-19 19:11:51,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:51,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:51,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:51,148 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 [2020-10-19 19:11:51,172 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 [2020-10-19 19:11:51,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,178 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 [2020-10-19 19:11:51,203 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 [2020-10-19 19:11:51,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:51,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:51,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:51,207 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 [2020-10-19 19:11:51,230 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 [2020-10-19 19:11:51,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:51,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:51,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:51,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 19:11:51,256 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 [2020-10-19 19:11:51,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:51,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:51,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:51,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:51,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:51,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:51,268 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:51,278 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 19:11:51,278 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 [2020-10-19 19:11:51,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:51,282 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:51,282 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:51,283 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] [2020-10-19 19:11:51,315 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:11:51,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,416 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:51,436 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 [2020-10-19 19:11:51,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-19 19:11:51,525 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. [2020-10-19 19:11:51,526 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 [2020-10-19 19:11:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 19:11:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-19 19:11:51,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:51,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:51,527 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 19:11:51,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,630 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:51,650 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 [2020-10-19 19:11:51,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-19 19:11:51,729 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. [2020-10-19 19:11:51,730 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 [2020-10-19 19:11:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 19:11:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-19 19:11:51,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:51,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:51,731 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 19:11:51,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:51,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:11:51,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:51,852 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 [2020-10-19 19:11:51,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-19 19:11:51,956 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. [2020-10-19 19:11:51,957 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 [2020-10-19 19:11:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 19:11:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2020-10-19 19:11:51,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 19:11:51,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:51,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-19 19:11:51,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:51,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-19 19:11:51,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:51,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2020-10-19 19:11:51,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:11:51,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:11:51,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:11:51,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:11:51,960 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-10-19 19:11:51,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:11:51,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:11:51,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:11:51,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:11:51 BoogieIcfgContainer [2020-10-19 19:11:51,967 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:11:51,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:11:51,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:11:51,968 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:11:51,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:32" (3/4) ... [2020-10-19 19:11:51,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:11:51,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:11:51,973 INFO L168 Benchmark]: Toolchain (without parser) took 20292.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 960.0 MB in the beginning and 847.2 MB in the end (delta: 112.8 MB). Peak memory consumption was 496.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:51,973 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:51,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:51,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:51,974 INFO L168 Benchmark]: Boogie Preprocessor took 28.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:51,974 INFO L168 Benchmark]: RCFGBuilder took 367.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:51,974 INFO L168 Benchmark]: BuchiAutomizer took 19432.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.1 GB in the beginning and 847.2 MB in the end (delta: 235.0 MB). Peak memory consumption was 498.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:51,975 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 1.4 GB. Free memory is still 847.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:51,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 367.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 19432.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.1 GB in the beginning and 847.2 MB in the end (delta: 235.0 MB). Peak memory consumption was 498.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.06 ms. Allocated memory is still 1.4 GB. Free memory is still 847.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 19.3s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 16.8s. Construction of modules took 0.3s. Büchi inclusion checks took 1.9s. 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: inital128 mio100 ax100 hnf97 lsp47 ukn64 mio100 lsp79 div305 bol100 ite100 ukn100 eq142 hnf47 smp86 dnf100 smp100 tf101 neg98 sie109 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...