./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca_true-termination_true-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca_true-termination_true-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer --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 27b51ff95b1c87aada11269295eff3fc5c30957f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:36:30,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:36:30,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:36:30,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:36:30,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:36:30,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:36:30,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:36:30,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:36:30,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:36:30,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:36:30,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:36:30,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:36:30,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:36:30,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:36:30,580 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:36:30,580 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:36:30,581 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:36:30,582 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:36:30,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:36:30,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:36:30,585 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:36:30,586 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:36:30,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:36:30,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:36:30,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:36:30,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:36:30,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:36:30,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:36:30,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:36:30,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:36:30,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:36:30,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:36:30,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:36:30,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:36:30,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:36:30,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:36:30,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 01:36:30,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:36:30,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:36:30,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:36:30,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:36:30,605 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:36:30,605 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 01:36:30,605 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 01:36:30,605 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 01:36:30,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 01:36:30,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 01:36:30,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:36:30,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:36:30,608 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 01:36:30,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:36:30,608 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:36:30,608 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 01:36:30,608 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 01:36:30,608 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer 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 -> 27b51ff95b1c87aada11269295eff3fc5c30957f [2018-11-23 01:36:30,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:36:30,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:36:30,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:36:30,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:36:30,642 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:36:30,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca_true-termination_true-no-overflow.c.i [2018-11-23 01:36:30,678 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/data/99fa65a8d/ec1fce0890924afc9871401be03f1edf/FLAG48b8d7e65 [2018-11-23 01:36:31,102 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:36:31,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/sv-benchmarks/c/termination-memory-alloca/b.12-alloca_true-termination_true-no-overflow.c.i [2018-11-23 01:36:31,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/data/99fa65a8d/ec1fce0890924afc9871401be03f1edf/FLAG48b8d7e65 [2018-11-23 01:36:31,117 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/data/99fa65a8d/ec1fce0890924afc9871401be03f1edf [2018-11-23 01:36:31,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:36:31,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:36:31,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:36:31,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:36:31,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:36:31,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a78139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31, skipping insertion in model container [2018-11-23 01:36:31,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:36:31,159 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:36:31,331 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:36:31,340 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:36:31,405 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:36:31,436 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:36:31,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31 WrapperNode [2018-11-23 01:36:31,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:36:31,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:36:31,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:36:31,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:36:31,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:36:31,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:36:31,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:36:31,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:36:31,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... [2018-11-23 01:36:31,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:36:31,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:36:31,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:36:31,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:36:31,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb01ae6f-c66a-4245-87bc-9610705bd021/bin-2019/uautomizer/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 [2018-11-23 01:36:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:36:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:36:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:36:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:36:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:36:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:36:31,723 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:36:31,723 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 01:36:31,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31 BoogieIcfgContainer [2018-11-23 01:36:31,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:36:31,724 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 01:36:31,724 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 01:36:31,728 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 01:36:31,728 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:36:31,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:36:31" (1/3) ... [2018-11-23 01:36:31,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fd7ec3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:36:31, skipping insertion in model container [2018-11-23 01:36:31,729 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:36:31,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:31" (2/3) ... [2018-11-23 01:36:31,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fd7ec3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:36:31, skipping insertion in model container [2018-11-23 01:36:31,730 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:36:31,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31" (3/3) ... [2018-11-23 01:36:31,732 INFO L375 chiAutomizerObserver]: Analyzing ICFG b.12-alloca_true-termination_true-no-overflow.c.i [2018-11-23 01:36:31,779 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:36:31,780 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 01:36:31,780 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 01:36:31,780 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 01:36:31,780 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:36:31,780 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:36:31,780 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 01:36:31,780 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:36:31,780 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 01:36:31,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-23 01:36:31,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:31,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:31,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:31,816 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 01:36:31,816 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 01:36:31,816 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 01:36:31,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-23 01:36:31,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:31,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:31,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:31,818 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 01:36:31,818 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 01:36:31,824 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 7#L559-2true [2018-11-23 01:36:31,825 INFO L796 eck$LassoCheckResult]: Loop: 7#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 13#L555-1true assume test_fun_#t~short7; 5#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 8#L556true assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 7#L559-2true [2018-11-23 01:36:31,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:31,830 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 01:36:31,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:31,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:31,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:31,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:31,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2018-11-23 01:36:31,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:31,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:31,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:31,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:31,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:31,954 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2018-11-23 01:36:31,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:31,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:31,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:31,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:32,314 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2018-11-23 01:36:32,391 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 01:36:32,392 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 01:36:32,392 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 01:36:32,392 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 01:36:32,392 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 01:36:32,392 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 01:36:32,393 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 01:36:32,393 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 01:36:32,393 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.12-alloca_true-termination_true-no-overflow.c.i_Iteration1_Lasso [2018-11-23 01:36:32,393 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 01:36:32,393 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 01:36:32,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,613 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2018-11-23 01:36:32,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:32,923 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 01:36:32,928 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 01:36:32,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:32,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,932 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,933 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:32,934 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:32,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,936 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:32,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,937 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,937 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:32,937 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:32,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,938 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,939 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,939 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,941 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,941 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,944 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:32,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,945 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,945 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:32,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:32,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:32,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,947 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:32,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:32,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,950 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,951 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,951 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,956 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,956 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,957 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,958 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,961 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,963 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,967 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,967 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,969 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,969 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,978 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,979 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,979 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,983 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,983 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:32,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,985 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:32,985 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:32,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:32,990 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:32,991 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:36:32,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:32,991 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:32,992 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:36:32,992 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:32,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:33,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:33,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:33,000 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:36:33,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:33,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:33,002 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:36:33,002 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:33,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:33,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:33,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:33,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:33,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:33,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:33,013 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:33,013 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:33,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:33,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:33,017 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:33,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:33,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:33,017 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:33,018 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:33,018 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:33,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:33,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:33,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:33,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:33,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:33,023 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:33,024 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:33,024 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:33,035 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 01:36:33,041 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 01:36:33,041 INFO L444 ModelExtractionUtils]: 13 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 01:36:33,043 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 01:36:33,045 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 01:36:33,045 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 01:36:33,045 INFO L520 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) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2018-11-23 01:36:33,093 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2018-11-23 01:36:33,099 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 01:36:33,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:33,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:36:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:33,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:36:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:33,185 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 [2018-11-23 01:36:33,186 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2018-11-23 01:36:33,253 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 50 states and 67 transitions. Complement of second has 9 states. [2018-11-23 01:36:33,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-23 01:36:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 01:36:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2018-11-23 01:36:33,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-23 01:36:33,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:33,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-23 01:36:33,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:33,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-23 01:36:33,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:33,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2018-11-23 01:36:33,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2018-11-23 01:36:33,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 39 transitions. [2018-11-23 01:36:33,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2018-11-23 01:36:33,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-11-23 01:36:33,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 39 transitions. [2018-11-23 01:36:33,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 01:36:33,264 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2018-11-23 01:36:33,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 39 transitions. [2018-11-23 01:36:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-11-23 01:36:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 01:36:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2018-11-23 01:36:33,284 INFO L728 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2018-11-23 01:36:33,284 INFO L608 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2018-11-23 01:36:33,284 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 01:36:33,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 37 transitions. [2018-11-23 01:36:33,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2018-11-23 01:36:33,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:33,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:33,285 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 01:36:33,285 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 01:36:33,286 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 187#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 188#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 195#L555-1 [2018-11-23 01:36:33,286 INFO L796 eck$LassoCheckResult]: Loop: 195#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 190#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 191#L556 assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 194#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 195#L555-1 [2018-11-23 01:36:33,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,286 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-23 01:36:33,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2018-11-23 01:36:33,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2018-11-23 01:36:33,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:33,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:36:33,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:36:33,663 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-11-23 01:36:33,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:36:33,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:36:33,667 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. cyclomatic complexity: 15 Second operand 5 states. [2018-11-23 01:36:33,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:36:33,719 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions. [2018-11-23 01:36:33,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:36:33,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2018-11-23 01:36:33,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2018-11-23 01:36:33,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 39 transitions. [2018-11-23 01:36:33,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2018-11-23 01:36:33,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-11-23 01:36:33,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2018-11-23 01:36:33,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 01:36:33,724 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2018-11-23 01:36:33,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2018-11-23 01:36:33,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 14. [2018-11-23 01:36:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 01:36:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2018-11-23 01:36:33,726 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2018-11-23 01:36:33,726 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2018-11-23 01:36:33,726 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 01:36:33,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2018-11-23 01:36:33,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:33,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:33,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:33,727 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 01:36:33,727 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-23 01:36:33,727 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 261#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 262#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 269#L555-1 [2018-11-23 01:36:33,727 INFO L796 eck$LassoCheckResult]: Loop: 269#L555-1 assume test_fun_#t~short7; 264#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 265#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 272#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 268#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 269#L555-1 [2018-11-23 01:36:33,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,728 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2018-11-23 01:36:33,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,750 INFO L82 PathProgramCache]: Analyzing trace with hash 38423515, now seen corresponding path program 1 times [2018-11-23 01:36:33,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,751 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:36:33,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,762 INFO L82 PathProgramCache]: Analyzing trace with hash 177751320, now seen corresponding path program 1 times [2018-11-23 01:36:33,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:33,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:36:33,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:36:33,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:36:33,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:36:33,867 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 5 states. [2018-11-23 01:36:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:36:33,881 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-11-23 01:36:33,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:36:33,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2018-11-23 01:36:33,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:33,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2018-11-23 01:36:33,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-23 01:36:33,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-11-23 01:36:33,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2018-11-23 01:36:33,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 01:36:33,883 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-23 01:36:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2018-11-23 01:36:33,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 01:36:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 01:36:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-11-23 01:36:33,884 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-23 01:36:33,884 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-23 01:36:33,884 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 01:36:33,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2018-11-23 01:36:33,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:33,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:33,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:33,885 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 01:36:33,885 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-23 01:36:33,885 INFO L794 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 301#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 302#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 309#L555-1 [2018-11-23 01:36:33,885 INFO L796 eck$LassoCheckResult]: Loop: 309#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 304#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 305#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 312#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 308#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 309#L555-1 [2018-11-23 01:36:33,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,885 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2018-11-23 01:36:33,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,899 INFO L82 PathProgramCache]: Analyzing trace with hash 40270557, now seen corresponding path program 1 times [2018-11-23 01:36:33,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,901 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:36:33,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:33,912 INFO L82 PathProgramCache]: Analyzing trace with hash 179598362, now seen corresponding path program 1 times [2018-11-23 01:36:33,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:33,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:33,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:33,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:34,172 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2018-11-23 01:36:34,348 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-11-23 01:36:34,350 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 01:36:34,350 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 01:36:34,350 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 01:36:34,350 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 01:36:34,350 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 01:36:34,350 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 01:36:34,350 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 01:36:34,350 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 01:36:34,350 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.12-alloca_true-termination_true-no-overflow.c.i_Iteration4_Lasso [2018-11-23 01:36:34,350 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 01:36:34,350 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 01:36:34,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,714 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2018-11-23 01:36:34,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:34,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:36:35,089 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 01:36:35,089 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 01:36:35,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,090 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:35,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,090 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,091 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:35,091 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:35,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,092 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:35,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,093 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,094 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:35,094 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:35,094 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,095 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,096 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,096 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,097 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:35,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,098 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:35,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:35,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,100 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,100 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,102 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:35,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,103 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,103 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:35,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:35,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:36:35,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,105 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,105 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:36:35,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:36:35,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,106 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,107 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,107 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,108 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,109 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:36:35,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,109 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,110 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:36:35,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,115 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,115 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,116 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,116 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,118 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,118 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,119 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,126 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,126 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,136 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:36:35,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,138 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,140 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:36:35,140 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,143 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,146 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,146 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,149 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,149 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,151 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:36:35,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,152 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:36:35,152 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,156 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,157 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,157 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,159 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,165 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,165 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,165 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:36:35,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:36:35,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:36:35,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:36:35,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:36:35,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:36:35,170 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:36:35,170 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:36:35,175 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 01:36:35,178 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 01:36:35,178 INFO L444 ModelExtractionUtils]: 13 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 01:36:35,178 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 01:36:35,179 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 01:36:35,179 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 01:36:35,179 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2018-11-23 01:36:35,260 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2018-11-23 01:36:35,261 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 01:36:35,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:35,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:36:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:35,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:36:35,343 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:36:35,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-11-23 01:36:35,351 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:36:35,353 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-11-23 01:36:35,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 01:36:35,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:36:35,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:36:35,363 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-11-23 01:36:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:35,375 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2018-11-23 01:36:35,375 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-23 01:36:35,419 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 38 transitions. Complement of second has 8 states. [2018-11-23 01:36:35,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-23 01:36:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 01:36:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2018-11-23 01:36:35,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 5 letters. [2018-11-23 01:36:35,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:35,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2018-11-23 01:36:35,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:35,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 10 letters. [2018-11-23 01:36:35,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:36:35,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2018-11-23 01:36:35,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:35,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2018-11-23 01:36:35,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2018-11-23 01:36:35,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-11-23 01:36:35,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2018-11-23 01:36:35,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 01:36:35,423 INFO L705 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2018-11-23 01:36:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2018-11-23 01:36:35,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2018-11-23 01:36:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 01:36:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2018-11-23 01:36:35,427 INFO L728 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2018-11-23 01:36:35,428 INFO L608 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2018-11-23 01:36:35,428 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-23 01:36:35,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2018-11-23 01:36:35,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 01:36:35,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:36:35,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:36:35,428 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 01:36:35,429 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-23 01:36:35,429 INFO L794 eck$LassoCheckResult]: Stem: 490#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 488#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 489#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 511#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 491#L555-3 [2018-11-23 01:36:35,429 INFO L796 eck$LassoCheckResult]: Loop: 491#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 492#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 499#L559 assume !(test_fun_#t~mem10 > 0);havoc test_fun_#t~mem10; 495#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 496#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 491#L555-3 [2018-11-23 01:36:35,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:35,429 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-23 01:36:35,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:35,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:35,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:35,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:35,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:35,443 INFO L82 PathProgramCache]: Analyzing trace with hash 45964859, now seen corresponding path program 1 times [2018-11-23 01:36:35,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:35,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:35,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:35,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:36:35,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:35,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1272583860, now seen corresponding path program 1 times [2018-11-23 01:36:35,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:36:35,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:36:35,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:36:35,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:36:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:35,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:36:35,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:36:35,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:36:35,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:36:35,550 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand 5 states. [2018-11-23 01:36:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:36:35,567 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2018-11-23 01:36:35,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:36:35,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2018-11-23 01:36:35,568 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 01:36:35,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 01:36:35,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 01:36:35,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 01:36:35,569 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-23 01:36:35,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:36:35,569 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 01:36:35,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 01:36:35,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:36:35 BoogieIcfgContainer [2018-11-23 01:36:35,575 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 01:36:35,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:36:35,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:36:35,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:36:35,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31" (3/4) ... [2018-11-23 01:36:35,578 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 01:36:35,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:36:35,579 INFO L168 Benchmark]: Toolchain (without parser) took 4459.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 350.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -236.0 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:36:35,580 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:36:35,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:36:35,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:36:35,581 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:36:35,581 INFO L168 Benchmark]: RCFGBuilder took 242.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:36:35,581 INFO L168 Benchmark]: BuchiAutomizer took 3850.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:36:35,582 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:36:35,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 242.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3850.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 35 SDtfs, 51 SDslu, 34 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital345 mio100 ax106 hnf99 lsp73 ukn83 mio100 lsp25 div100 bol100 ite100 ukn100 eq199 hnf87 smp100 dnf129 smp81 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...