./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 72925b65ef321f719f00e79529e35268c3f3eaa3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:01:07,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:01:07,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:01:07,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:01:07,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:01:07,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:01:07,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:01:07,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:01:07,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:01:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:01:07,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:01:07,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:01:07,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:01:07,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:01:07,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:01:07,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:01:07,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:01:07,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:01:07,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:01:07,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:01:07,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:01:07,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:01:07,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:01:07,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:01:07,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:01:07,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:01:07,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:01:07,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:01:07,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:01:07,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:01:07,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:01:07,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:01:07,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:01:07,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:01:07,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:01:07,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:01:07,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:01:07,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:01:07,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:01:07,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:01:07,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:01:07,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:01:07,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:01:07,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:01:07,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:01:07,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:01:07,397 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:01:07,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:01:07,397 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:01:07,398 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:01:07,398 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:01:07,398 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:01:07,398 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:01:07,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:01:07,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:01:07,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:01:07,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:01:07,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:01:07,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:01:07,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:01:07,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:01:07,401 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:01:07,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:01:07,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:01:07,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:01:07,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:01:07,403 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:01:07,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:01:07,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:01:07,404 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:01:07,406 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:01:07,407 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2019-11-28 03:01:07,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:01:07,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:01:07,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:01:07,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:01:07,754 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:01:07,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2019-11-28 03:01:07,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bb804d6/2bb163751f7c45bfafdfe1cc055b5321/FLAGcc45b1f3f [2019-11-28 03:01:08,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:01:08,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2019-11-28 03:01:08,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bb804d6/2bb163751f7c45bfafdfe1cc055b5321/FLAGcc45b1f3f [2019-11-28 03:01:08,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bb804d6/2bb163751f7c45bfafdfe1cc055b5321 [2019-11-28 03:01:08,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:08,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:08,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:08,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:08,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:08,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:08" (1/1) ... [2019-11-28 03:01:08,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:08, skipping insertion in model container [2019-11-28 03:01:08,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:08" (1/1) ... [2019-11-28 03:01:08,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:08,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:09,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:09,101 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:09,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:09,215 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:09,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09 WrapperNode [2019-11-28 03:01:09,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:09,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:09,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:09,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:09,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:09,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:09,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:09,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:09,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (1/1) ... [2019-11-28 03:01:09,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:09,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:09,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:09,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:09,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (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 03:01:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:09,772 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:09,772 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:01:09,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09 BoogieIcfgContainer [2019-11-28 03:01:09,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:09,774 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:09,775 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:09,778 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:09,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:09,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:08" (1/3) ... [2019-11-28 03:01:09,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48982262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:09, skipping insertion in model container [2019-11-28 03:01:09,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:09,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:09" (2/3) ... [2019-11-28 03:01:09,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48982262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:09, skipping insertion in model container [2019-11-28 03:01:09,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:09,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09" (3/3) ... [2019-11-28 03:01:09,785 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2019-11-28 03:01:09,830 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:09,830 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:09,830 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:09,831 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:09,831 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:09,831 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:09,831 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:09,831 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:09,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:01:09,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:01:09,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:09,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:09,869 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:09,870 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:01:09,870 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:09,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:01:09,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:01:09,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:09,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:09,872 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:09,872 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:01:09,879 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 14#L561-2true [2019-11-28 03:01:09,879 INFO L796 eck$LassoCheckResult]: Loop: 14#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 4#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 14#L561-2true [2019-11-28 03:01:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 03:01:09,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:09,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039659877] [2019-11-28 03:01:09,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,130 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:10,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:10,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2019-11-28 03:01:10,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:10,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268348359] [2019-11-28 03:01:10,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,211 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:10,216 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2019-11-28 03:01:10,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:10,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337182451] [2019-11-28 03:01:10,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:10,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:10,480 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-11-28 03:01:11,250 WARN L192 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2019-11-28 03:01:11,566 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 03:01:11,583 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:11,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:11,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:11,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:11,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:11,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:11,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:11,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:11,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2019-11-28 03:01:11,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:11,587 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:11,629 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 03:01:11,641 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 03:01:11,645 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 03:01:11,649 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 03:01:11,652 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 03:01:11,656 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 03:01:11,661 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 03:01:11,666 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 03:01:11,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:11,673 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 03:01:11,677 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 03:01:11,681 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 03:01:11,684 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 03:01:11,687 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 03:01:11,690 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 03:01:11,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:11,705 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 03:01:12,448 WARN L192 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-11-28 03:01:12,588 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-11-28 03:01:12,590 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 03:01:12,593 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 03:01:12,595 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 03:01:12,599 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 03:01:12,606 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 03:01:12,970 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-28 03:01:13,435 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:13,441 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,485 INFO L522 LassoAnalysis]: Proving 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 03:01:13,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,509 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 03:01:13,518 INFO L522 LassoAnalysis]: Proving 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 03:01:13,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,567 INFO L522 LassoAnalysis]: Proving 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 03:01:13,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,595 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:01:13,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:13,622 INFO L522 LassoAnalysis]: Proving 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 03:01:13,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,652 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 03:01:13,659 INFO L522 LassoAnalysis]: Proving 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 03:01:13,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,682 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:01:13,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:13,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,729 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:13,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 03:01:13,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:13,773 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,794 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 03:01:13,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,801 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:13,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,821 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 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:13,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:13,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:13,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:13,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,855 INFO L522 LassoAnalysis]: Proving 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 03:01:13,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,882 INFO L402 nArgumentSynthesizer]: A total of 2 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 03:01:13,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,917 INFO L522 LassoAnalysis]: Proving 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 03:01:13,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:13,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:13,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:13,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,974 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:13,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:13,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:13,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:13,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:13,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:13,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:13,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:13,994 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:14,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:14,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,012 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:14,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:14,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,034 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:14,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:14,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,062 INFO L522 LassoAnalysis]: Proving 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) [2019-11-28 03:01:14,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:14,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,088 INFO L522 LassoAnalysis]: Proving 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 03:01:14,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:14,141 INFO L522 LassoAnalysis]: Proving 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 03:01:14,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:14,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:14,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:14,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:14,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:14,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:14,164 INFO L402 nArgumentSynthesizer]: A total of 2 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 03:01:14,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:14,263 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:01:14,263 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. 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 03:01:14,298 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:14,316 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:14,316 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:14,317 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 Supporting invariants [] [2019-11-28 03:01:14,502 INFO L297 tatePredicateManager]: 36 out of 36 supporting invariants were superfluous and have been removed [2019-11-28 03:01:14,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:14,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:14,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:14,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:01:14,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:14,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 03:01:14,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:14,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:14,682 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 03:01:14,703 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:01:14,704 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2019-11-28 03:01:14,844 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 60 states and 79 transitions. Complement of second has 10 states. [2019-11-28 03:01:14,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2019-11-28 03:01:14,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 03:01:14,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:14,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 03:01:14,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:14,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-28 03:01:14,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:14,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2019-11-28 03:01:14,855 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-28 03:01:14,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 30 states and 45 transitions. [2019-11-28 03:01:14,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-28 03:01:14,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-28 03:01:14,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 45 transitions. [2019-11-28 03:01:14,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:14,862 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 45 transitions. [2019-11-28 03:01:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 45 transitions. [2019-11-28 03:01:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2019-11-28 03:01:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 03:01:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2019-11-28 03:01:14,891 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 43 transitions. [2019-11-28 03:01:14,891 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 43 transitions. [2019-11-28 03:01:14,891 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:14,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 43 transitions. [2019-11-28 03:01:14,892 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-28 03:01:14,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:14,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:14,893 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:14,893 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:01:14,893 INFO L794 eck$LassoCheckResult]: Stem: 273#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 267#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 286#L557-1 [2019-11-28 03:01:14,893 INFO L796 eck$LassoCheckResult]: Loop: 286#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 283#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 284#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 280#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 286#L557-1 [2019-11-28 03:01:14,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:14,894 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 03:01:14,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:14,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979643349] [2019-11-28 03:01:14,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:14,950 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:14,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:14,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2019-11-28 03:01:14,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:14,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201813274] [2019-11-28 03:01:14,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:14,980 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:14,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2019-11-28 03:01:14,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:14,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359017736] [2019-11-28 03:01:14,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:15,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359017736] [2019-11-28 03:01:15,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:15,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:01:15,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052903975] [2019-11-28 03:01:15,349 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Exception during sending of exit command (exit): Stream closed [2019-11-28 03:01:15,713 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-11-28 03:01:15,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:15,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:01:15,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:01:15,719 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. cyclomatic complexity: 18 Second operand 5 states. [2019-11-28 03:01:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:15,792 INFO L93 Difference]: Finished difference Result 46 states and 65 transitions. [2019-11-28 03:01:15,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:01:15,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 65 transitions. [2019-11-28 03:01:15,795 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25 [2019-11-28 03:01:15,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 36 states and 51 transitions. [2019-11-28 03:01:15,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-28 03:01:15,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-11-28 03:01:15,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 51 transitions. [2019-11-28 03:01:15,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:15,797 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-11-28 03:01:15,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 51 transitions. [2019-11-28 03:01:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 19. [2019-11-28 03:01:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 03:01:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-11-28 03:01:15,801 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-28 03:01:15,802 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-28 03:01:15,802 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:01:15,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2019-11-28 03:01:15,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-28 03:01:15,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:15,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:15,804 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:15,804 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:15,804 INFO L794 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 353#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 354#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 361#L557-1 [2019-11-28 03:01:15,804 INFO L796 eck$LassoCheckResult]: Loop: 361#L557-1 assume test_fun_#t~short10; 362#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 355#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 356#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem15;havoc test_fun_#t~mem14; 366#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 361#L557-1 [2019-11-28 03:01:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-28 03:01:15,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:15,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085351537] [2019-11-28 03:01:15,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:15,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:15,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:15,844 INFO L82 PathProgramCache]: Analyzing trace with hash 38423577, now seen corresponding path program 1 times [2019-11-28 03:01:15,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:15,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257967461] [2019-11-28 03:01:15,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:15,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:15,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:15,877 INFO L82 PathProgramCache]: Analyzing trace with hash 177751382, now seen corresponding path program 1 times [2019-11-28 03:01:15,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:15,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742291021] [2019-11-28 03:01:15,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:15,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742291021] [2019-11-28 03:01:15,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:15,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:01:15,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831964443] [2019-11-28 03:01:16,076 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-11-28 03:01:16,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:16,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:01:16,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:01:16,123 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-28 03:01:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:16,169 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-28 03:01:16,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:01:16,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-11-28 03:01:16,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2019-11-28 03:01:16,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 20 transitions. [2019-11-28 03:01:16,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 03:01:16,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 03:01:16,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-11-28 03:01:16,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:16,173 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 03:01:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-11-28 03:01:16,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 03:01:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 03:01:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-28 03:01:16,175 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 03:01:16,175 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 03:01:16,175 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:01:16,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-11-28 03:01:16,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2019-11-28 03:01:16,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:16,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:16,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:16,177 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:16,177 INFO L794 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 402#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 403#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 409#L557-1 [2019-11-28 03:01:16,177 INFO L796 eck$LassoCheckResult]: Loop: 409#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 410#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 415#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 413#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem15;havoc test_fun_#t~mem14; 414#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 409#L557-1 [2019-11-28 03:01:16,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:16,177 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2019-11-28 03:01:16,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:16,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036698550] [2019-11-28 03:01:16,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,208 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:16,208 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2019-11-28 03:01:16,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:16,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684177359] [2019-11-28 03:01:16,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:16,264 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 03:01:16,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684177359] [2019-11-28 03:01:16,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:16,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:01:16,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617765725] [2019-11-28 03:01:16,266 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:01:16,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:16,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:01:16,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:01:16,267 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-11-28 03:01:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:16,308 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-28 03:01:16,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:01:16,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-28 03:01:16,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:01:16,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2019-11-28 03:01:16,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:01:16,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:01:16,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2019-11-28 03:01:16,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:16,311 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 03:01:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2019-11-28 03:01:16,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 03:01:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 03:01:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-28 03:01:16,314 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 03:01:16,314 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 03:01:16,314 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:01:16,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-11-28 03:01:16,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:01:16,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:16,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:16,316 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:01:16,317 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:16,317 INFO L794 eck$LassoCheckResult]: Stem: 449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 443#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 444#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 450#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 451#L557-3 [2019-11-28 03:01:16,317 INFO L796 eck$LassoCheckResult]: Loop: 451#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 455#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 454#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem15;havoc test_fun_#t~mem14;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 446#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 456#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 451#L557-3 [2019-11-28 03:01:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:16,318 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-28 03:01:16,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:16,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560146265] [2019-11-28 03:01:16,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:16,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:16,382 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2019-11-28 03:01:16,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:16,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254683761] [2019-11-28 03:01:16,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2019-11-28 03:01:16,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:16,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749508478] [2019-11-28 03:01:16,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:16,473 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:16,696 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-11-28 03:01:17,081 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-11-28 03:01:17,872 WARN L192 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2019-11-28 03:01:18,828 WARN L192 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-28 03:01:18,834 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:18,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:18,834 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:18,834 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:18,834 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:18,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:18,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:18,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:18,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2019-11-28 03:01:18,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:18,835 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:18,846 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 03:01:18,849 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 03:01:18,851 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 03:01:18,854 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 03:01:18,857 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 03:01:18,859 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 03:01:18,861 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 03:01:18,863 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 03:01:18,865 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 03:01:18,868 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 03:01:20,646 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2019-11-28 03:01:20,951 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-11-28 03:01:20,953 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 03:01:20,957 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 03:01:20,958 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 03:01:20,960 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 03:01:20,962 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 03:01:20,969 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 03:01:20,971 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 03:01:21,165 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-28 03:01:21,445 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-28 03:01:22,318 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 03:01:22,598 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-28 03:01:22,713 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:22,713 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:22,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:22,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,764 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,770 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 03:01:22,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:22,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:22,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:22,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:22,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:22,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:22,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:22,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:22,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:22,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:22,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 03:01:22,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,865 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 03:01:22,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:01:22,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:22,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:22,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:22,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:22,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:22,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:22,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:22,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:22,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:22,970 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 03:01:22,970 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:01:22,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:23,014 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-28 03:01:23,015 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 03:01:23,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:23,181 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 03:01:23,181 INFO L444 ModelExtractionUtils]: 50 out of 91 variables were initially zero. Simplification set additionally 38 variables to zero. 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 03:01:23,190 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:23,193 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-28 03:01:23,193 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:23,193 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 Supporting invariants [] [2019-11-28 03:01:23,462 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-28 03:01:23,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:23,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:23,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:01:23,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:23,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 03:01:23,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:23,718 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-11-28 03:01:23,719 INFO L343 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2019-11-28 03:01:23,720 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 113 [2019-11-28 03:01:23,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 03:01:23,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 03:01:23,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 03:01:23,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,739 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:01:23,863 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2019-11-28 03:01:23,865 INFO L588 ElimStorePlain]: treesize reduction 285, result has 31.7 percent of original size [2019-11-28 03:01:23,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,870 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 03:01:23,871 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:132 [2019-11-28 03:01:23,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:23,967 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 03:01:23,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 03:01:23,968 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 03:01:24,032 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 30 states and 35 transitions. Complement of second has 9 states. [2019-11-28 03:01:24,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:01:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-28 03:01:24,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 5 letters. [2019-11-28 03:01:24,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:24,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-28 03:01:24,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:24,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 10 letters. [2019-11-28 03:01:24,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:24,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2019-11-28 03:01:24,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:01:24,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2019-11-28 03:01:24,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-28 03:01:24,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-28 03:01:24,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2019-11-28 03:01:24,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:24,042 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-28 03:01:24,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2019-11-28 03:01:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-11-28 03:01:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 03:01:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-28 03:01:24,047 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-28 03:01:24,047 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-28 03:01:24,047 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 03:01:24,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-11-28 03:01:24,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:01:24,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:24,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:24,053 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:24,054 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:01:24,056 INFO L794 eck$LassoCheckResult]: Stem: 714#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 708#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 709#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 722#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 725#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 723#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 720#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem15;havoc test_fun_#t~mem14;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 721#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 715#L557-1 assume test_fun_#t~short10; 716#L557-3 [2019-11-28 03:01:24,056 INFO L796 eck$LassoCheckResult]: Loop: 716#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 710#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 711#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 729#L557-1 assume test_fun_#t~short10; 716#L557-3 [2019-11-28 03:01:24,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:24,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2019-11-28 03:01:24,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:24,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356457887] [2019-11-28 03:01:24,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:24,204 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 03:01:24,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356457887] [2019-11-28 03:01:24,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274829971] [2019-11-28 03:01:24,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:01:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:24,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-28 03:01:24,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:24,278 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-28 03:01:24,279 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:01:24,286 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:01:24,287 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:01:24,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:11 [2019-11-28 03:01:24,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:24,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:24,450 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:01:24,451 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 70 [2019-11-28 03:01:24,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 03:01:24,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:24,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:24,456 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:01:24,545 INFO L588 ElimStorePlain]: treesize reduction 150, result has 18.5 percent of original size [2019-11-28 03:01:24,546 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:01:24,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2019-11-28 03:01:24,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:24,586 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 03:01:24,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 03:01:24,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2019-11-28 03:01:24,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456471955] [2019-11-28 03:01:24,587 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:01:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:24,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2019-11-28 03:01:24,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:24,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596705595] [2019-11-28 03:01:24,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:24,598 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:24,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:24,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 03:01:24,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-28 03:01:24,719 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand 12 states. [2019-11-28 03:01:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:24,982 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-11-28 03:01:24,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 03:01:24,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-11-28 03:01:24,983 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:24,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-28 03:01:24,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:24,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:24,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:24,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:24,984 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:24,984 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:24,984 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:24,984 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 03:01:24,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:24,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:24,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:24,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:24 BoogieIcfgContainer [2019-11-28 03:01:24,993 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:24,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:24,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:24,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:24,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:09" (3/4) ... [2019-11-28 03:01:25,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:25,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:25,003 INFO L168 Benchmark]: Toolchain (without parser) took 16391.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.9 MB). Free memory was 955.0 MB in the beginning and 942.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 388.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:25,005 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:25,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:25,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.11 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:25,009 INFO L168 Benchmark]: Boogie Preprocessor took 37.96 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 03:01:25,009 INFO L168 Benchmark]: RCFGBuilder took 450.72 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:25,010 INFO L168 Benchmark]: BuchiAutomizer took 15219.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.1 GB in the beginning and 942.0 MB in the end (delta: 151.2 MB). Peak memory consumption was 390.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:25,015 INFO L168 Benchmark]: Witness Printer took 7.51 ms. Allocated memory is still 1.4 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:25,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.11 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.96 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. * RCFGBuilder took 450.72 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15219.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.1 GB in the beginning and 942.0 MB in the end (delta: 151.2 MB). Peak memory consumption was 390.8 MB. Max. memory is 11.5 GB. * Witness Printer took 7.51 ms. Allocated memory is still 1.4 GB. Free memory is still 942.0 MB. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.1s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 13.6s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 39 SDtfs, 67 SDslu, 37 SDs, 0 SdLazy, 139 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital625 mio100 ax103 hnf99 lsp72 ukn71 mio100 lsp30 div100 bol104 ite100 ukn100 eq181 hnf88 smp96 dnf231 smp73 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 231ms VariablesStem: 17 VariablesLoop: 12 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...