./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/array02-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/array02-alloca-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 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:52:48,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:52:48,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:52:48,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:52:48,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:52:48,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:52:48,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:52:48,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:52:48,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:52:48,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:52:48,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:52:48,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:52:48,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:52:48,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:52:48,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:52:48,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:52:48,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:52:48,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:52:48,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:52:48,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:52:48,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:52:48,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:52:48,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:52:48,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:52:48,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:52:48,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:52:48,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:52:48,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:52:48,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:52:48,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:52:48,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:52:48,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:52:48,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:52:48,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:52:48,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:52:48,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:52:48,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:52:48,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:52:48,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:52:48,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:52:48,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:52:48,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:52:48,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:52:48,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:52:48,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:52:48,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:52:48,653 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:52:48,653 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:52:48,654 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:52:48,654 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:52:48,654 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:52:48,654 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:52:48,655 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:52:48,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:52:48,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:52:48,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:52:48,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:52:48,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:52:48,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:52:48,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:52:48,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:52:48,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:52:48,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:52:48,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:52:48,659 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:52:48,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:52:48,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:52:48,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:52:48,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:52:48,661 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:52:48,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:52:48,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:52:48,661 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:52:48,664 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:52:48,664 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 -> 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 [2019-11-28 03:52:48,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:52:48,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:52:49,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:52:49,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:52:49,004 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:52:49,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-11-28 03:52:49,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea34a691/6746a1f496b64234b9b7b756bfb3b1aa/FLAG653525feb [2019-11-28 03:52:49,596 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:52:49,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-11-28 03:52:49,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea34a691/6746a1f496b64234b9b7b756bfb3b1aa/FLAG653525feb [2019-11-28 03:52:49,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea34a691/6746a1f496b64234b9b7b756bfb3b1aa [2019-11-28 03:52:49,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:52:49,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:52:49,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:49,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:52:49,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:52:49,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:49" (1/1) ... [2019-11-28 03:52:49,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dffc5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:49, skipping insertion in model container [2019-11-28 03:52:49,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:49" (1/1) ... [2019-11-28 03:52:49,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:52:49,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:52:50,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:50,381 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:52:50,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:50,512 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:52:50,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50 WrapperNode [2019-11-28 03:52:50,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:50,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:50,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:52:50,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:52:50,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:50,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:52:50,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:52:50,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:52:50,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... [2019-11-28 03:52:50,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:52:50,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:52:50,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:52:50,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:52:50,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:52:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:52:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:52:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:52:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:52:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:52:51,001 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:52:51,002 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 03:52:51,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:51 BoogieIcfgContainer [2019-11-28 03:52:51,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:52:51,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:52:51,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:52:51,008 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:52:51,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:51,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:52:49" (1/3) ... [2019-11-28 03:52:51,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1551a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:51, skipping insertion in model container [2019-11-28 03:52:51,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:51,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:50" (2/3) ... [2019-11-28 03:52:51,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1551a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:51, skipping insertion in model container [2019-11-28 03:52:51,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:51,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:51" (3/3) ... [2019-11-28 03:52:51,014 INFO L371 chiAutomizerObserver]: Analyzing ICFG array02-alloca-2.i [2019-11-28 03:52:51,054 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:52:51,054 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:52:51,054 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:52:51,054 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:52:51,055 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:52:51,055 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:52:51,055 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:52:51,055 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:52:51,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:52:51,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-28 03:52:51,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:51,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:51,095 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:52:51,095 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:51,095 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:52:51,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:52:51,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-28 03:52:51,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:51,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:51,098 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:52:51,098 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:51,104 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 14#L530true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L530-2true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 10#L535-3true [2019-11-28 03:52:51,104 INFO L796 eck$LassoCheckResult]: Loop: 10#L535-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 7#L535-2true main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 10#L535-3true [2019-11-28 03:52:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:51,109 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-28 03:52:51,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:51,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920896238] [2019-11-28 03:52:51,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-28 03:52:51,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:51,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918152740] [2019-11-28 03:52:51,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,248 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:51,250 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-28 03:52:51,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:51,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837382469] [2019-11-28 03:52:51,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:51,308 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:51,493 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-28 03:52:51,557 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:51,558 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:51,558 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:51,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:51,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:51,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:51,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:51,559 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:51,559 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration1_Lasso [2019-11-28 03:52:51,559 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:51,559 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:51,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:51,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:52,010 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:52,015 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) [2019-11-28 03:52:52,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:52,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:52,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,034 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:52,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:52,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:52,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,055 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:52,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:52,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:52,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:52,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:52,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:52,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:52,124 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:52,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:52,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:52,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:52,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,184 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:52,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:52,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:52,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,219 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:52,234 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 [2019-11-28 03:52:52,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:52,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:52,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:52,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:52,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:52,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,262 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:52,287 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:52:52,287 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. 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 [2019-11-28 03:52:52,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:52:52,306 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:52,306 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:52,307 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~array_size~0) = -1*ULTIMATE.start_main_~k~0 + 1*ULTIMATE.start_main_~array_size~0 Supporting invariants [] [2019-11-28 03:52:52,320 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-28 03:52:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:52,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:52:52,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:52,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:52,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:52,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:52:52,421 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2019-11-28 03:52:52,476 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 41 states and 61 transitions. Complement of second has 7 states. [2019-11-28 03:52:52,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2019-11-28 03:52:52,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 03:52:52,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:52,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:52:52,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:52,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 03:52:52,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:52,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2019-11-28 03:52:52,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:52:52,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 14 states and 19 transitions. [2019-11-28 03:52:52,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:52,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 03:52:52,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2019-11-28 03:52:52,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:52,496 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-28 03:52:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2019-11-28 03:52:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 03:52:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 03:52:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-28 03:52:52,525 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-28 03:52:52,525 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-28 03:52:52,525 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:52:52,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2019-11-28 03:52:52,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:52:52,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:52,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:52,527 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:52,527 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:52,527 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 123#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 124#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 128#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 125#L535-3 assume !(main_~k~0 < main_~array_size~0); 126#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 116#L517-3 [2019-11-28 03:52:52,528 INFO L796 eck$LassoCheckResult]: Loop: 116#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 117#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 118#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 122#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 121#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 115#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 116#L517-3 [2019-11-28 03:52:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,528 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-28 03:52:52,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821777640] [2019-11-28 03:52:52,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:52,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821777640] [2019-11-28 03:52:52,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:52:52,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:52:52,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421423884] [2019-11-28 03:52:52,593 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:52:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 1 times [2019-11-28 03:52:52,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100573619] [2019-11-28 03:52:52,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,610 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:52,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 03:52:52,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 03:52:52,669 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-28 03:52:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:52,702 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-28 03:52:52,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 03:52:52,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-28 03:52:52,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:52:52,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-28 03:52:52,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 03:52:52,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 03:52:52,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-28 03:52:52,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:52,706 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-28 03:52:52,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-28 03:52:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-28 03:52:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 03:52:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-28 03:52:52,709 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-28 03:52:52,709 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-28 03:52:52,709 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:52:52,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-28 03:52:52,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:52:52,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:52,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:52,711 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:52,711 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:52,711 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 160#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 164#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 161#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 155#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 156#L535-3 assume !(main_~k~0 < main_~array_size~0); 162#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 154#L517-3 [2019-11-28 03:52:52,712 INFO L796 eck$LassoCheckResult]: Loop: 154#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 151#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 152#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 158#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 157#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 153#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 154#L517-3 [2019-11-28 03:52:52,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,712 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-28 03:52:52,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205584514] [2019-11-28 03:52:52,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,772 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 2 times [2019-11-28 03:52:52,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056308101] [2019-11-28 03:52:52,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,788 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,789 INFO L82 PathProgramCache]: Analyzing trace with hash -258934749, now seen corresponding path program 1 times [2019-11-28 03:52:52,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186641635] [2019-11-28 03:52:52,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:53,095 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-11-28 03:52:53,196 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:53,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:53,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:53,197 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:53,197 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:53,197 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,197 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:53,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:53,198 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration3_Lasso [2019-11-28 03:52:53,198 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:53,198 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:53,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,384 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-11-28 03:52:53,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:53,879 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:53,879 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:53,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:53,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:53,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:53,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,899 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:52:53,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:53,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:53,931 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:52:53,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:53,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:53,955 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:53,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:53,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,983 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:53,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:54,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:54,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:54,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:54,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:54,032 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:54,122 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 03:52:54,122 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. 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) [2019-11-28 03:52:54,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:54,164 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:54,164 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:54,164 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-11-28 03:52:54,185 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:52:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:54,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:52:54,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:54,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:54,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:54,239 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:52:54,239 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-28 03:52:54,263 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-28 03:52:54,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-28 03:52:54,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-28 03:52:54,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-28 03:52:54,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-28 03:52:54,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-28 03:52:54,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:54,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 27 transitions. [2019-11-28 03:52:54,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:54,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 03:52:54,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-11-28 03:52:54,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:54,268 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-11-28 03:52:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-11-28 03:52:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-28 03:52:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 03:52:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-28 03:52:54,270 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-28 03:52:54,270 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-28 03:52:54,270 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:52:54,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-28 03:52:54,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:54,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:54,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:54,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:54,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:54,272 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 277#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 278#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 282#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 279#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 271#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 272#L535-3 assume !(main_~k~0 < main_~array_size~0); 280#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 270#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 264#L518-3 [2019-11-28 03:52:54,272 INFO L796 eck$LassoCheckResult]: Loop: 264#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 265#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 264#L518-3 [2019-11-28 03:52:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2019-11-28 03:52:54,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848552796] [2019-11-28 03:52:54,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2019-11-28 03:52:54,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049329786] [2019-11-28 03:52:54,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-28 03:52:54,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151997778] [2019-11-28 03:52:54,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,400 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,647 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-11-28 03:52:54,724 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:54,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:54,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:54,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:54,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:54,725 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:54,725 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:54,725 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:54,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration4_Lasso [2019-11-28 03:52:54,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:54,725 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:54,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,910 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-11-28 03:52:54,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:54,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:55,147 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-11-28 03:52:55,448 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:55,448 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:55,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:55,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,458 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:55,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:55,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,482 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:55,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:55,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,503 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:55,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:55,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:55,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:55,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:55,585 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:55,600 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:52:55,600 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:55,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,615 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:55,615 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:55,615 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1 Supporting invariants [] [2019-11-28 03:52:55,636 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:52:55,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:52:55,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:55,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 03:52:55,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:55,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 03:52:55,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:55,748 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 [2019-11-28 03:52:55,748 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:52:55,817 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 36 states and 47 transitions. Complement of second has 8 states. [2019-11-28 03:52:55,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:52:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-28 03:52:55,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 03:52:55,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:55,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:52:55,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:55,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 03:52:55,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:55,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-28 03:52:55,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:55,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 42 transitions. [2019-11-28 03:52:55,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-28 03:52:55,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-28 03:52:55,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2019-11-28 03:52:55,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:55,825 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-28 03:52:55,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2019-11-28 03:52:55,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-28 03:52:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 03:52:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-28 03:52:55,829 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-28 03:52:55,829 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-28 03:52:55,829 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:52:55,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2019-11-28 03:52:55,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:55,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:55,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:55,831 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:55,831 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:55,831 INFO L794 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 424#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 425#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 429#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 426#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 418#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 419#L535-3 assume !(main_~k~0 < main_~array_size~0); 427#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 415#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 408#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 410#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 421#L522-2 [2019-11-28 03:52:55,831 INFO L796 eck$LassoCheckResult]: Loop: 421#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 420#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 421#L522-2 [2019-11-28 03:52:55,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-11-28 03:52:55,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:55,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519540429] [2019-11-28 03:52:55,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,856 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:55,857 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2019-11-28 03:52:55,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:55,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355857777] [2019-11-28 03:52:55,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:55,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762584, now seen corresponding path program 1 times [2019-11-28 03:52:55,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:55,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817055064] [2019-11-28 03:52:55,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:55,911 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,225 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-11-28 03:52:56,352 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-28 03:52:56,354 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:56,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:56,354 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:56,354 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:56,354 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:56,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:56,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:56,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration5_Lasso [2019-11-28 03:52:56,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:56,355 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:56,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,563 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-11-28 03:52:56,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,061 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:57,062 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,086 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,098 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,114 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:57,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,132 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,148 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,176 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 [2019-11-28 03:52:57,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,180 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 [2019-11-28 03:52:57,184 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:52:57,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,214 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:52:57,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,235 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,274 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 [2019-11-28 03:52:57,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,303 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 [2019-11-28 03:52:57,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:57,322 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:52:57,322 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:52:57,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:52:57,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:57,331 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:57,331 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1 Supporting invariants [] [2019-11-28 03:52:57,353 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:52:57,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:52:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:57,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 03:52:57,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:57,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 03:52:57,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:57,486 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 [2019-11-28 03:52:57,486 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand 6 states. [2019-11-28 03:52:57,605 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand 6 states. Result 50 states and 67 transitions. Complement of second has 11 states. [2019-11-28 03:52:57,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2019-11-28 03:52:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 03:52:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2019-11-28 03:52:57,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:52:57,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:57,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-28 03:52:57,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:57,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-28 03:52:57,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:57,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2019-11-28 03:52:57,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:57,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 41 states and 54 transitions. [2019-11-28 03:52:57,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 03:52:57,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-28 03:52:57,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-11-28 03:52:57,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:57,612 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-28 03:52:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-11-28 03:52:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2019-11-28 03:52:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 03:52:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2019-11-28 03:52:57,616 INFO L711 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-11-28 03:52:57,616 INFO L591 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-11-28 03:52:57,617 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 03:52:57,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2019-11-28 03:52:57,617 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:57,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:57,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:57,618 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:57,619 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:57,619 INFO L794 eck$LassoCheckResult]: Stem: 609#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 604#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 605#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 613#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 606#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 607#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 621#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 598#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 599#L535-3 assume !(main_~k~0 < main_~array_size~0); 608#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 620#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 619#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 614#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 601#L522-2 [2019-11-28 03:52:57,619 INFO L796 eck$LassoCheckResult]: Loop: 601#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 600#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 601#L522-2 [2019-11-28 03:52:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:57,620 INFO L82 PathProgramCache]: Analyzing trace with hash -856885647, now seen corresponding path program 2 times [2019-11-28 03:52:57,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:57,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965626632] [2019-11-28 03:52:57,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2019-11-28 03:52:57,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:57,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516318001] [2019-11-28 03:52:57,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,657 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:57,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615606, now seen corresponding path program 2 times [2019-11-28 03:52:57,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:57,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075202916] [2019-11-28 03:52:57,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:57,685 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:57,988 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2019-11-28 03:52:58,072 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:58,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:58,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:58,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:58,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:58,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:58,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:58,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration6_Lasso [2019-11-28 03:52:58,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:58,074 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:58,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,248 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-11-28 03:52:58,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:58,480 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-11-28 03:52:58,821 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:58,821 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 03:52:58,830 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 [2019-11-28 03:52:58,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:58,859 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:52:58,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:58,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:58,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:52:58,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:58,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:52:58,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:58,948 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 03:52:58,948 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:52:58,952 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:52:58,954 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:58,954 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:58,954 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2019-11-28 03:52:58,971 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:52:58,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:52:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:59,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:52:59,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:59,016 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:52:59,016 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21 Second operand 3 states. [2019-11-28 03:52:59,038 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21. Second operand 3 states. Result 47 states and 63 transitions. Complement of second has 7 states. [2019-11-28 03:52:59,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-28 03:52:59,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-28 03:52:59,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:59,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-28 03:52:59,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:59,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 4 letters. [2019-11-28 03:52:59,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:59,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2019-11-28 03:52:59,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:59,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 36 states and 47 transitions. [2019-11-28 03:52:59,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 03:52:59,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:52:59,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2019-11-28 03:52:59,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:59,047 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2019-11-28 03:52:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2019-11-28 03:52:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2019-11-28 03:52:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-28 03:52:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-28 03:52:59,050 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-28 03:52:59,050 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-28 03:52:59,050 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 03:52:59,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-28 03:52:59,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:59,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:59,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:59,052 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:59,052 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:59,052 INFO L794 eck$LassoCheckResult]: Stem: 784#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 780#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 781#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 787#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 782#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 774#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 775#L535-3 assume !(main_~k~0 < main_~array_size~0); 783#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 772#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 773#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 790#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 779#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 789#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 770#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 771#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 766#L518-3 [2019-11-28 03:52:59,052 INFO L796 eck$LassoCheckResult]: Loop: 766#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 767#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 766#L518-3 [2019-11-28 03:52:59,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,052 INFO L82 PathProgramCache]: Analyzing trace with hash 562957404, now seen corresponding path program 2 times [2019-11-28 03:52:59,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941935990] [2019-11-28 03:52:59,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:59,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941935990] [2019-11-28 03:52:59,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343213260] [2019-11-28 03:52:59,164 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:59,207 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 03:52:59,207 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 03:52:59,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:52:59,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:59,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 03:52:59,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2019-11-28 03:52:59,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056133995] [2019-11-28 03:52:59,303 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:52:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2019-11-28 03:52:59,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961275181] [2019-11-28 03:52:59,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,313 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:59,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 03:52:59,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-11-28 03:52:59,347 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 14 Second operand 14 states. [2019-11-28 03:52:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:59,545 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2019-11-28 03:52:59,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 03:52:59,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2019-11-28 03:52:59,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:59,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 28 states and 35 transitions. [2019-11-28 03:52:59,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:59,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:52:59,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2019-11-28 03:52:59,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:59,549 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2019-11-28 03:52:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2019-11-28 03:52:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-28 03:52:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 03:52:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-11-28 03:52:59,551 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-28 03:52:59,551 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-28 03:52:59,551 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-28 03:52:59,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2019-11-28 03:52:59,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:59,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:59,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:59,553 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:59,553 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:59,553 INFO L794 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 914#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 915#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 922#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 916#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 908#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 909#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 917#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 923#L535-3 assume !(main_~k~0 < main_~array_size~0); 919#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 906#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 907#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 925#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 913#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 924#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 904#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 905#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 900#L518-3 [2019-11-28 03:52:59,554 INFO L796 eck$LassoCheckResult]: Loop: 900#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 901#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 900#L518-3 [2019-11-28 03:52:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash 131132986, now seen corresponding path program 3 times [2019-11-28 03:52:59,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937855662] [2019-11-28 03:52:59,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,581 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2019-11-28 03:52:59,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371493855] [2019-11-28 03:52:59,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,591 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749119, now seen corresponding path program 1 times [2019-11-28 03:52:59,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736194625] [2019-11-28 03:52:59,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,642 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:00,029 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2019-11-28 03:53:00,136 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:00,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:00,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:00,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:00,137 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:00,137 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:00,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:00,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration8_Lasso [2019-11-28 03:53:00,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:00,137 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:00,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,345 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-28 03:53:00,776 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:00,776 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 03:53:00,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,792 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 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 [2019-11-28 03:53:00,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,805 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,813 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,824 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:00,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,847 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,858 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,871 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,880 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,889 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 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 [2019-11-28 03:53:00,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,898 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,912 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,932 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:53:00,939 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 [2019-11-28 03:53:00,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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 [2019-11-28 03:53:00,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,976 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 [2019-11-28 03:53:00,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,979 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:00,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:01,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:01,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:01,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:01,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:01,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:01,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:01,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:01,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:01,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:01,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:01,015 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:01,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:01,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:01,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:01,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:01,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:01,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:01,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:01,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:01,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:01,027 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 03:53:01,027 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:01,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:53:01,032 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:53:01,032 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:01,032 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5 Supporting invariants [] [2019-11-28 03:53:01,047 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:53:01,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:53:01,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:01,103 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:01,104 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-28 03:53:01,131 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-11-28 03:53:01,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-28 03:53:01,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-28 03:53:01,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,133 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:53:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:01,178 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:01,178 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-28 03:53:01,203 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-11-28 03:53:01,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-28 03:53:01,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-28 03:53:01,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,207 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:53:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:01,251 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:01,251 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-28 03:53:01,288 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 48 states and 59 transitions. Complement of second has 6 states. [2019-11-28 03:53:01,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-28 03:53:01,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-28 03:53:01,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-28 03:53:01,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 4 letters. [2019-11-28 03:53:01,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2019-11-28 03:53:01,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:53:01,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 48 transitions. [2019-11-28 03:53:01,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 03:53:01,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:53:01,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2019-11-28 03:53:01,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:53:01,294 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2019-11-28 03:53:01,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2019-11-28 03:53:01,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-11-28 03:53:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 03:53:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-11-28 03:53:01,297 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-28 03:53:01,298 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-28 03:53:01,298 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-28 03:53:01,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2019-11-28 03:53:01,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:53:01,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:01,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:01,299 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:53:01,299 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:01,299 INFO L794 eck$LassoCheckResult]: Stem: 1305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1301#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 1302#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 1309#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 1303#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1295#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1296#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1304#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1312#L535-3 assume !(main_~k~0 < main_~array_size~0); 1306#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 1293#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1288#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1290#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1300#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1313#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 1291#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 1292#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1285#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1287#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1298#L522-2 [2019-11-28 03:53:01,299 INFO L796 eck$LassoCheckResult]: Loop: 1298#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1297#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 1298#L522-2 [2019-11-28 03:53:01,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749117, now seen corresponding path program 4 times [2019-11-28 03:53:01,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:01,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928678645] [2019-11-28 03:53:01,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,322 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:01,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2019-11-28 03:53:01,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:01,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632862426] [2019-11-28 03:53:01,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,330 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1125370110, now seen corresponding path program 1 times [2019-11-28 03:53:01,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:01,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452031327] [2019-11-28 03:53:01,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:01,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:01,807 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-11-28 03:53:01,928 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-28 03:53:01,930 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:01,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:01,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:01,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:01,931 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:01,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:01,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:01,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:01,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration9_Lasso [2019-11-28 03:53:01,931 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:01,931 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:01,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:01,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,161 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-11-28 03:53:02,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:02,661 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:02,661 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,671 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,678 INFO L522 LassoAnalysis]: Proving 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 [2019-11-28 03:53:02,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,692 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 [2019-11-28 03:53:02,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:02,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,719 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:02,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,732 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:02,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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 [2019-11-28 03:53:02,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:02,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:02,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:02,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:02,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:02,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:02,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:02,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:02,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:02,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:02,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:02,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:02,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:02,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:02,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:02,844 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:02,863 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-28 03:53:02,864 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:53:02,867 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:53:02,869 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:53:02,870 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:02,870 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6 Supporting invariants [] [2019-11-28 03:53:02,891 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2019-11-28 03:53:02,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:53:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:02,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:02,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:02,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:02,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:02,935 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:02,935 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-28 03:53:02,955 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-11-28 03:53:02,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-28 03:53:02,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-28 03:53:02,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:02,959 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:53:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:02,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:02,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:02,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:02,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:03,001 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:03,001 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-28 03:53:03,022 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-11-28 03:53:03,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-28 03:53:03,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-28 03:53:03,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:03,024 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:53:03,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:03,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:03,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:03,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:53:03,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:03,072 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:03,072 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-28 03:53:03,095 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 36 states and 46 transitions. Complement of second has 6 states. [2019-11-28 03:53:03,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2019-11-28 03:53:03,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-28 03:53:03,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:03,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 21 letters. Loop has 2 letters. [2019-11-28 03:53:03,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:03,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-28 03:53:03,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:03,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2019-11-28 03:53:03,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:03,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-11-28 03:53:03,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:53:03,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:53:03,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:53:03,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:03,100 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:03,100 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:03,100 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:03,101 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-28 03:53:03,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:53:03,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:03,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:53:03,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:53:03 BoogieIcfgContainer [2019-11-28 03:53:03,107 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:53:03,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:53:03,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:53:03,107 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:53:03,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:51" (3/4) ... [2019-11-28 03:53:03,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:53:03,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:53:03,113 INFO L168 Benchmark]: Toolchain (without parser) took 13206.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). Peak memory consumption was 260.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:03,113 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:03,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:03,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:03,115 INFO L168 Benchmark]: Boogie Preprocessor took 33.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:03,115 INFO L168 Benchmark]: RCFGBuilder took 396.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:03,116 INFO L168 Benchmark]: BuchiAutomizer took 12102.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 258.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:03,116 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:03,118 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 604.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 396.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12102.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 258.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.50 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (2 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * k + array_size and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[numbers][numbers] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][numbers + k * 4 + -4] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.0s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 10.4s. Construction of modules took 0.3s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 36 states and ocurred in iteration 5. Nontrivial modules had stage [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 236 SDslu, 115 SDs, 0 SdLazy, 265 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf99 lsp82 ukn80 mio100 lsp58 div100 bol100 ite100 ukn100 eq169 hnf91 smp91 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...