./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.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 4eacdd25ec766896c06b3ec61ff2eab4c80478ff ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:46:20,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:46:20,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:46:20,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:46:20,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:46:20,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:46:20,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:46:20,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:46:20,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:46:20,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:46:20,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:46:20,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:46:20,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:46:20,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:46:20,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:46:20,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:46:20,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:46:20,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:46:20,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:46:20,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:46:20,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:46:20,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:46:20,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:46:20,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:46:20,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:46:20,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:46:20,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:46:20,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:46:20,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:46:20,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:46:20,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:46:20,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:46:20,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:46:20,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:46:20,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:46:20,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:46:20,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:46:20,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:46:20,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:46:20,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:46:20,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:46:20,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:46:20,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:46:20,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:46:20,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:46:20,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:46:20,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:46:20,489 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:46:20,489 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:46:20,489 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:46:20,490 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:46:20,490 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:46:20,491 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:46:20,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:46:20,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:46:20,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:46:20,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:46:20,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:46:20,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:46:20,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:46:20,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:46:20,494 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:46:20,494 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:46:20,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:46:20,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:46:20,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:46:20,495 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:46:20,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:46:20,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:46:20,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:46:20,497 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:46:20,498 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:46:20,498 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 -> 4eacdd25ec766896c06b3ec61ff2eab4c80478ff [2020-10-19 18:46:20,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:46:20,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:46:20,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:46:20,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:46:20,883 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:46:20,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2020-10-19 18:46:20,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab648efc2/62318e55ed0e496fb229396e4358daba/FLAGc05140339 [2020-10-19 18:46:21,451 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:46:21,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2020-10-19 18:46:21,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab648efc2/62318e55ed0e496fb229396e4358daba/FLAGc05140339 [2020-10-19 18:46:21,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab648efc2/62318e55ed0e496fb229396e4358daba [2020-10-19 18:46:21,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:46:21,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:46:21,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:46:21,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:46:21,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:46:21,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:46:21" (1/1) ... [2020-10-19 18:46:21,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5859697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:21, skipping insertion in model container [2020-10-19 18:46:21,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:46:21" (1/1) ... [2020-10-19 18:46:21,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:46:21,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:46:22,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:46:22,209 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:46:22,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:46:22,377 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:46:22,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22 WrapperNode [2020-10-19 18:46:22,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:46:22,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:46:22,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:46:22,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:46:22,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:46:22,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:46:22,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:46:22,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:46:22,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... [2020-10-19 18:46:22,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:46:22,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:46:22,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:46:22,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:46:22,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:46:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:46:22,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:46:22,850 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:46:22,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:22 BoogieIcfgContainer [2020-10-19 18:46:22,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:46:22,853 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:46:22,853 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:46:22,866 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:46:22,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:22,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:46:21" (1/3) ... [2020-10-19 18:46:22,868 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a9f22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:46:22, skipping insertion in model container [2020-10-19 18:46:22,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:22,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:22" (2/3) ... [2020-10-19 18:46:22,869 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a9f22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:46:22, skipping insertion in model container [2020-10-19 18:46:22,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:22,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:22" (3/3) ... [2020-10-19 18:46:22,871 INFO L373 chiAutomizerObserver]: Analyzing ICFG c.03-alloca-1.i [2020-10-19 18:46:22,914 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:46:22,914 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:46:22,914 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:46:22,915 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:46:22,915 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:46:22,915 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:46:22,915 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:46:22,915 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:46:22,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-19 18:46:22,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:22,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:22,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:22,955 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:46:22,955 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:22,955 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:46:22,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-19 18:46:22,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:22,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:22,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:22,957 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:46:22,957 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:22,965 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, 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); 9#L558-2true [2020-10-19 18:46:22,965 INFO L796 eck$LassoCheckResult]: Loop: 9#L558-2true 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 10#L557-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 13#L557-3true assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 5#L558true assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 9#L558-2true [2020-10-19 18:46:22,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:22,972 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 18:46:22,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:22,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386424915] [2020-10-19 18:46:22,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,245 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:23,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:23,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-10-19 18:46:23,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:23,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854382168] [2020-10-19 18:46:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,286 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:23,288 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-10-19 18:46:23,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:23,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142845422] [2020-10-19 18:46:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,337 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:23,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:23,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:23,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-19 18:46:24,616 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-10-19 18:46:25,072 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-19 18:46:25,091 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:25,092 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:25,092 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:25,092 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:25,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:25,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:25,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:25,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:25,093 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration1_Lasso [2020-10-19 18:46:25,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:25,094 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:25,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:25,815 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2020-10-19 18:46:26,007 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-19 18:46:26,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:26,363 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-10-19 18:46:26,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:26,802 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:26,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:26,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:26,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:26,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:26,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:26,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:26,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:26,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:26,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:26,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:26,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:26,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:26,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:26,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:26,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:26,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:26,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:26,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:26,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:26,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:26,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:26,994 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:27,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:27,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:27,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:27,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:27,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:27,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:27,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:27,034 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:27,072 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 [2020-10-19 18:46:27,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:27,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:27,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:27,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:27,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:27,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:27,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:27,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:27,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:27,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:27,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:27,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:27,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:27,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:27,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:27,368 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2020-10-19 18:46:27,368 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 21 variables to zero. 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) [2020-10-19 18:46:27,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:27,386 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 18:46:27,387 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:27,388 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, ULTIMATE.start_test_fun_~z) = -4294967292*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 + 4294967291*ULTIMATE.start_test_fun_~z Supporting invariants [-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*ULTIMATE.start_test_fun_~z >= 0] [2020-10-19 18:46:27,659 INFO L297 tatePredicateManager]: 41 out of 42 supporting invariants were superfluous and have been removed [2020-10-19 18:46:27,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:27,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:27,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:46:27,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:27,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:46:27,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:27,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:27,869 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 [2020-10-19 18:46:27,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2020-10-19 18:46:27,993 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 42 transitions. Complement of second has 10 states. [2020-10-19 18:46:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:46:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2020-10-19 18:46:27,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-19 18:46:28,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:28,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-19 18:46:28,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:28,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-19 18:46:28,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:28,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2020-10-19 18:46:28,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:28,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 20 transitions. [2020-10-19 18:46:28,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 18:46:28,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 18:46:28,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2020-10-19 18:46:28,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:28,012 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-19 18:46:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2020-10-19 18:46:28,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-19 18:46:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-19 18:46:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-10-19 18:46:28,047 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-19 18:46:28,048 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-19 18:46:28,048 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:46:28,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-10-19 18:46:28,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:28,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:28,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:28,050 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:46:28,050 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:28,050 INFO L794 eck$LassoCheckResult]: Stem: 274#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 268#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, 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); 269#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 277#L557-1 assume !test_fun_#t~short9; 278#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 270#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 271#L558-2 [2020-10-19 18:46:28,050 INFO L796 eck$LassoCheckResult]: Loop: 271#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 275#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 281#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 280#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 271#L558-2 [2020-10-19 18:46:28,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:28,050 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2020-10-19 18:46:28,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:28,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838884859] [2020-10-19 18:46:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:28,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838884859] [2020-10-19 18:46:28,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:28,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:46:28,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252358843] [2020-10-19 18:46:28,146 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 18:46:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:28,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2020-10-19 18:46:28,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:28,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091171425] [2020-10-19 18:46:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,194 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:28,340 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-19 18:46:28,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:28,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:46:28,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:46:28,399 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 18:46:28,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:28,417 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2020-10-19 18:46:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:46:28,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2020-10-19 18:46:28,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:28,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2020-10-19 18:46:28,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-19 18:46:28,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 18:46:28,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2020-10-19 18:46:28,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:28,421 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-19 18:46:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2020-10-19 18:46:28,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-19 18:46:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-19 18:46:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2020-10-19 18:46:28,425 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-19 18:46:28,425 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-19 18:46:28,425 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:46:28,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2020-10-19 18:46:28,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:28,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:28,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:28,428 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:46:28,428 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:28,428 INFO L794 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 305#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, 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); 306#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 314#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 315#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 307#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 308#L558-2 [2020-10-19 18:46:28,428 INFO L796 eck$LassoCheckResult]: Loop: 308#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 312#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 318#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 317#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 308#L558-2 [2020-10-19 18:46:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:28,429 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-10-19 18:46:28,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:28,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518433030] [2020-10-19 18:46:28,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,534 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,544 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:28,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2020-10-19 18:46:28,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:28,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014262249] [2020-10-19 18:46:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,582 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:28,582 INFO L82 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2020-10-19 18:46:28,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:28,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450613190] [2020-10-19 18:46:28,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:28,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:28,683 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:28,814 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-19 18:46:30,340 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 167 DAG size of output: 134 [2020-10-19 18:46:30,830 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-19 18:46:30,834 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:30,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:30,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:30,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:30,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:30,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:30,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:30,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:30,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration3_Lasso [2020-10-19 18:46:30,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:30,836 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:30,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:30,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:30,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:30,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:30,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,516 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2020-10-19 18:46:31,687 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-19 18:46:31,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:31,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:32,459 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:32,459 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,501 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 [2020-10-19 18:46:32,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:32,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:32,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:32,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,534 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 [2020-10-19 18:46:32,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:32,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:32,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:32,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,610 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:32,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,729 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 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 [2020-10-19 18:46:32,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,764 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 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 [2020-10-19 18:46:32,794 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 [2020-10-19 18:46:32,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,803 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:32,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,861 INFO L522 LassoAnalysis]: Proving 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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:32,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:32,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:32,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:32,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:32,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:32,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:32,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:32,941 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 18:46:32,942 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:32,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:46:32,949 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:46:32,949 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:32,949 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)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_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 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 Supporting invariants [] [2020-10-19 18:46:33,173 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2020-10-19 18:46:33,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:33,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:33,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:33,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:46:33,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:33,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 18:46:33,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:33,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:46:33,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-19 18:46:33,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 27 transitions. Complement of second has 7 states. [2020-10-19 18:46:33,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:46:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-19 18:46:33,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-19 18:46:33,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:33,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-19 18:46:33,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:33,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2020-10-19 18:46:33,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:33,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2020-10-19 18:46:33,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:33,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2020-10-19 18:46:33,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-19 18:46:33,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-19 18:46:33,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-10-19 18:46:33,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:33,285 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-19 18:46:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-10-19 18:46:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-19 18:46:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-19 18:46:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-19 18:46:33,289 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-19 18:46:33,289 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-19 18:46:33,289 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 18:46:33,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2020-10-19 18:46:33,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:33,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:33,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:33,291 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2020-10-19 18:46:33,291 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:33,291 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 559#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, 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); 560#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 576#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 574#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 572#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 571#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 566#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 567#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 561#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 562#L558-2 [2020-10-19 18:46:33,292 INFO L796 eck$LassoCheckResult]: Loop: 562#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 570#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 575#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 573#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 562#L558-2 [2020-10-19 18:46:33,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:33,292 INFO L82 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2020-10-19 18:46:33,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:33,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323114259] [2020-10-19 18:46:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,340 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:33,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2020-10-19 18:46:33,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:33,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462554829] [2020-10-19 18:46:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,355 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:33,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:33,356 INFO L82 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2020-10-19 18:46:33,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:33,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988863280] [2020-10-19 18:46:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:33,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:33,420 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:33,580 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-19 18:46:34,951 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 204 DAG size of output: 154 [2020-10-19 18:46:35,470 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-19 18:46:35,473 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:35,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:35,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:35,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:35,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:35,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:35,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:35,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:35,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration4_Lasso [2020-10-19 18:46:35,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:35,475 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:35,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:35,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,126 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-10-19 18:46:36,305 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-10-19 18:46:36,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:36,611 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-19 18:46:37,080 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:37,081 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:37,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:37,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:37,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:37,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:37,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:37,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:37,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:37,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:37,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:37,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:37,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:37,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:37,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:37,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:37,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:37,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:37,146 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:37,164 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 18:46:37,164 INFO L444 ModelExtractionUtils]: 32 out of 40 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:37,167 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:46:37,168 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:46:37,169 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:37,169 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)_3) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 + 4294967291 Supporting invariants [] [2020-10-19 18:46:37,390 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-10-19 18:46:37,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:37,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:37,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:46:37,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:37,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:46:37,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:37,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:37,508 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 [2020-10-19 18:46:37,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-10-19 18:46:37,569 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 34 states and 43 transitions. Complement of second has 8 states. [2020-10-19 18:46:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:46:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2020-10-19 18:46:37,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-19 18:46:37,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:37,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2020-10-19 18:46:37,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:37,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 8 letters. [2020-10-19 18:46:37,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:37,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2020-10-19 18:46:37,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:37,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 31 states and 39 transitions. [2020-10-19 18:46:37,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-19 18:46:37,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-19 18:46:37,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2020-10-19 18:46:37,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:37,575 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2020-10-19 18:46:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2020-10-19 18:46:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2020-10-19 18:46:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-19 18:46:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-19 18:46:37,579 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-19 18:46:37,579 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-19 18:46:37,579 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 18:46:37,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2020-10-19 18:46:37,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:46:37,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:37,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:37,584 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2020-10-19 18:46:37,584 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:37,585 INFO L794 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 833#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, 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); 834#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 851#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 850#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 849#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 846#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 840#L557-1 [2020-10-19 18:46:37,585 INFO L796 eck$LassoCheckResult]: Loop: 840#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 841#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 835#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 836#L558-2 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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 840#L557-1 [2020-10-19 18:46:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:37,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849212, now seen corresponding path program 3 times [2020-10-19 18:46:37,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:37,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359052793] [2020-10-19 18:46:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,617 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1239449, now seen corresponding path program 1 times [2020-10-19 18:46:37,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:37,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643553450] [2020-10-19 18:46:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,631 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:37,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:37,632 INFO L82 PathProgramCache]: Analyzing trace with hash -322541356, now seen corresponding path program 4 times [2020-10-19 18:46:37,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:37,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325544656] [2020-10-19 18:46:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:37,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:37,672 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:37,825 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-19 18:46:38,904 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 182 DAG size of output: 143 [2020-10-19 18:46:39,248 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-19 18:46:39,253 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:39,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:39,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:39,254 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:39,254 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:39,254 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:39,254 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:39,254 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:39,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration5_Lasso [2020-10-19 18:46:39,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:39,255 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:39,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:39,970 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2020-10-19 18:46:40,239 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-10-19 18:46:40,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:40,621 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-19 18:46:41,100 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-19 18:46:41,267 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:41,268 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,615 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 [2020-10-19 18:46:41,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,696 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 [2020-10-19 18:46:41,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:41,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:41,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:41,700 INFO L522 LassoAnalysis]: Proving 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 [2020-10-19 18:46:41,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,730 INFO L522 LassoAnalysis]: Proving 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 [2020-10-19 18:46:41,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,794 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 [2020-10-19 18:46:41,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:41,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:41,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:41,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:41,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:41,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:41,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:41,853 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:46:41,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:41,872 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-19 18:46:41,872 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:46:41,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:42,010 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 18:46:42,010 INFO L444 ModelExtractionUtils]: 66 out of 81 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:42,013 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:46:42,016 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-19 18:46:42,016 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:42,017 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_4, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4) = -4294967294*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_4 + 4294967293*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_4 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 - 1 >= 0] [2020-10-19 18:46:42,259 INFO L297 tatePredicateManager]: 40 out of 42 supporting invariants were superfluous and have been removed [2020-10-19 18:46:42,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:42,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:42,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:46:42,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:42,367 INFO L384 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 [2020-10-19 18:46:42,369 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:42,375 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,375 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:10 [2020-10-19 18:46:42,404 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:42,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:42,491 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:42,492 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2020-10-19 18:46:42,494 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,509 INFO L625 ElimStorePlain]: treesize reduction 20, result has 53.5 percent of original size [2020-10-19 18:46:42,510 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,510 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:23 [2020-10-19 18:46:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:42,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:46:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:42,525 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:42,641 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:42,642 INFO L384 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 66 treesize of output 94 [2020-10-19 18:46:42,650 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-19 18:46:42,654 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:46:42,656 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:46:42,661 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,729 INFO L625 ElimStorePlain]: treesize reduction 220, result has 23.1 percent of original size [2020-10-19 18:46:42,730 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,730 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-10-19 18:46:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:42,771 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2020-10-19 18:46:42,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 8 states. [2020-10-19 18:46:42,807 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 8 states. Result 30 states and 38 transitions. Complement of second has 4 states. [2020-10-19 18:46:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 18:46:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-10-19 18:46:42,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:46:42,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:42,814 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 18:46:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:42,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:46:42,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:42,889 INFO L384 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 [2020-10-19 18:46:42,892 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,897 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:42,898 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:42,898 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:10 [2020-10-19 18:46:42,915 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:42,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:43,007 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:43,008 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2020-10-19 18:46:43,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,035 INFO L625 ElimStorePlain]: treesize reduction 20, result has 53.5 percent of original size [2020-10-19 18:46:43,035 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,035 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:23 [2020-10-19 18:46:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:43,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:46:43,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:43,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:43,196 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:43,197 INFO L384 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 66 treesize of output 94 [2020-10-19 18:46:43,201 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-19 18:46:43,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:46:43,205 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:46:43,210 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,283 INFO L625 ElimStorePlain]: treesize reduction 264, result has 20.0 percent of original size [2020-10-19 18:46:43,283 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,284 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-10-19 18:46:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:43,322 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 4 loop predicates [2020-10-19 18:46:43,323 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 8 states. [2020-10-19 18:46:43,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 8 states. Result 30 states and 38 transitions. Complement of second has 4 states. [2020-10-19 18:46:43,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 18:46:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-10-19 18:46:43,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:46:43,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:43,361 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 18:46:43,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:43,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:46:43,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:43,445 INFO L384 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 [2020-10-19 18:46:43,447 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:43,453 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,453 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:10 [2020-10-19 18:46:43,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:43,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:43,557 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:43,557 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2020-10-19 18:46:43,559 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,574 INFO L625 ElimStorePlain]: treesize reduction 20, result has 53.5 percent of original size [2020-10-19 18:46:43,574 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,575 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:23 [2020-10-19 18:46:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:43,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:46:43,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:43,588 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:43,706 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:43,706 INFO L384 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 66 treesize of output 94 [2020-10-19 18:46:43,711 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-19 18:46:43,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 18:46:43,715 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 18:46:43,718 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,787 INFO L625 ElimStorePlain]: treesize reduction 264, result has 20.0 percent of original size [2020-10-19 18:46:43,788 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:43,788 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-10-19 18:46:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:43,827 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2020-10-19 18:46:43,827 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 8 states. [2020-10-19 18:46:43,982 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 8 states. Result 54 states and 65 transitions. Complement of second has 11 states. [2020-10-19 18:46:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 4 stem states 3 non-accepting loop states 2 accepting loop states [2020-10-19 18:46:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 18:46:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 16 transitions. [2020-10-19 18:46:43,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:46:43,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:43,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 11 letters. Loop has 4 letters. [2020-10-19 18:46:43,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:43,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 7 letters. Loop has 8 letters. [2020-10-19 18:46:43,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:43,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 65 transitions. [2020-10-19 18:46:43,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:46:43,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2020-10-19 18:46:43,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:46:43,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:46:43,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:46:43,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:46:43,990 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:43,990 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:43,990 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:43,991 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-19 18:46:43,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:46:43,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:46:43,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:46:43,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:46:43 BoogieIcfgContainer [2020-10-19 18:46:43,997 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:46:43,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:46:43,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:46:43,997 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:46:43,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:22" (3/4) ... [2020-10-19 18:46:44,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:46:44,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:46:44,002 INFO L168 Benchmark]: Toolchain (without parser) took 22224.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 954.6 MB in the beginning and 891.5 MB in the end (delta: 63.1 MB). Peak memory consumption was 392.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:44,002 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:44,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -108.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:44,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:44,004 INFO L168 Benchmark]: Boogie Preprocessor took 29.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:44,004 INFO L168 Benchmark]: RCFGBuilder took 395.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:44,005 INFO L168 Benchmark]: BuchiAutomizer took 21143.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.2 MB). Free memory was 1.0 GB in the beginning and 891.5 MB in the end (delta: 132.7 MB). Peak memory consumption was 384.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:44,006 INFO L168 Benchmark]: Witness Printer took 3.65 ms. Allocated memory is still 1.4 GB. Free memory is still 891.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:44,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 593.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -108.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 395.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 21143.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.2 MB). Free memory was 1.0 GB in the beginning and 891.5 MB in the end (delta: 132.7 MB). Peak memory consumption was 384.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.65 ms. Allocated memory is still 1.4 GB. Free memory is still 891.5 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 - 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4294967292 * unknown-#memory_int-unknown[x_ref][x_ref] + 4294967291 * z and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + unknown-#memory_int-unknown[z_ref][z_ref] and consists of 4 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x_ref][x_ref] + 4294967291 and consists of 5 locations. One nondeterministic module has affine ranking function -4294967294 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 9 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 18.5s. Construction of modules took 0.1s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 38 SDslu, 16 SDs, 0 SdLazy, 88 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital1255 mio100 ax102 hnf99 lsp97 ukn26 mio100 lsp33 div100 bol102 ite100 ukn100 eq182 hnf88 smp97 dnf125 smp91 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 166ms VariablesStem: 15 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...