./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/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 f3e436297570ad94e9fb239489c229c89d1aea0e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:07:09,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:07:09,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:07:09,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:07:09,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:07:09,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:07:09,566 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:07:09,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:07:09,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:07:09,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:07:09,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:07:09,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:07:09,569 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:07:09,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:07:09,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:07:09,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:07:09,571 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:07:09,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:07:09,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:07:09,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:07:09,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:07:09,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:07:09,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:07:09,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:07:09,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:07:09,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:07:09,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:07:09,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:07:09,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:07:09,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:07:09,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:07:09,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:07:09,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:07:09,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:07:09,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:07:09,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:07:09,580 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-01 18:07:09,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:07:09,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:07:09,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:07:09,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:07:09,588 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:07:09,588 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 18:07:09,588 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 18:07:09,588 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 18:07:09,588 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 18:07:09,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:07:09,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 18:07:09,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:07:09,590 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:07:09,590 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 18:07:09,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:07:09,590 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:07:09,590 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 18:07:09,590 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 18:07:09,591 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_9323973a-2d4c-498a-a7b0-bd094d8a7886/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 -> f3e436297570ad94e9fb239489c229c89d1aea0e [2018-12-01 18:07:09,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:07:09,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:07:09,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:07:09,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:07:09,617 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:07:09,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca_true-termination.c.i [2018-12-01 18:07:09,652 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/data/606a5f010/da0e8d4197824c27b73819316ff46771/FLAGd965382bd [2018-12-01 18:07:09,981 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:07:09,982 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca_true-termination.c.i [2018-12-01 18:07:09,987 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/data/606a5f010/da0e8d4197824c27b73819316ff46771/FLAGd965382bd [2018-12-01 18:07:09,996 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/bin-2019/uautomizer/data/606a5f010/da0e8d4197824c27b73819316ff46771 [2018-12-01 18:07:09,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:07:09,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:07:09,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:07:09,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:07:10,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:07:10,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:09" (1/1) ... [2018-12-01 18:07:10,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3263b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10, skipping insertion in model container [2018-12-01 18:07:10,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:09" (1/1) ... [2018-12-01 18:07:10,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:07:10,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:07:10,177 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:07:10,184 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:07:10,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:07:10,262 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:07:10,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10 WrapperNode [2018-12-01 18:07:10,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:07:10,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:07:10,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:07:10,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:07:10,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:07:10,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:07:10,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:07:10,287 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:07:10,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... [2018-12-01 18:07:10,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:07:10,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:07:10,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:07:10,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:07:10,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9323973a-2d4c-498a-a7b0-bd094d8a7886/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 [2018-12-01 18:07:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:07:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 18:07:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 18:07:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:07:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:07:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:07:10,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:07:10,433 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 18:07:10,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:10 BoogieIcfgContainer [2018-12-01 18:07:10,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:07:10,433 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 18:07:10,433 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 18:07:10,435 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 18:07:10,436 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:07:10,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 06:07:09" (1/3) ... [2018-12-01 18:07:10,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dab106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:07:10, skipping insertion in model container [2018-12-01 18:07:10,437 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:07:10,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:10" (2/3) ... [2018-12-01 18:07:10,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dab106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:07:10, skipping insertion in model container [2018-12-01 18:07:10,437 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:07:10,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:10" (3/3) ... [2018-12-01 18:07:10,438 INFO L375 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn-alloca_true-termination.c.i [2018-12-01 18:07:10,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:07:10,469 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 18:07:10,469 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 18:07:10,469 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 18:07:10,469 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:07:10,469 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:07:10,469 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 18:07:10,469 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:07:10,470 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 18:07:10,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-01 18:07:10,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 18:07:10,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:07:10,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:07:10,494 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 18:07:10,494 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 18:07:10,494 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 18:07:10,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-01 18:07:10,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 18:07:10,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:07:10,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:07:10,495 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 18:07:10,495 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 18:07:10,500 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~ret10;mlog_#in~x := main_#t~nondet9;havoc mlog_#res;havoc mlog_#t~malloc2.base, mlog_#t~malloc2.offset, mlog_#t~malloc3.base, mlog_#t~malloc3.offset, mlog_#t~mem5, mlog_#t~mem6, mlog_#t~post7, mlog_#t~mem4, mlog_#t~mem8, mlog_~x, mlog_~x_ref~0.base, mlog_~x_ref~0.offset, mlog_~res~0.base, mlog_~res~0.offset;mlog_~x := mlog_#in~x;call mlog_#t~malloc2.base, mlog_#t~malloc2.offset := #Ultimate.alloc(4);mlog_~x_ref~0.base, mlog_~x_ref~0.offset := mlog_#t~malloc2.base, mlog_#t~malloc2.offset;call mlog_#t~malloc3.base, mlog_#t~malloc3.offset := #Ultimate.alloc(4);mlog_~res~0.base, mlog_~res~0.offset := mlog_#t~malloc3.base, mlog_#t~malloc3.offset;call write~int(mlog_~x, mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);call write~int(0, mlog_~res~0.base, mlog_~res~0.offset, 4); 8#L553-3true [2018-12-01 18:07:10,500 INFO L796 eck$LassoCheckResult]: Loop: 8#L553-3true call mlog_#t~mem4 := read~int(mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4); 5#L553-1true assume !!(mlog_#t~mem4 > 1);havoc mlog_#t~mem4;call mlog_#t~mem5 := read~int(mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);call write~int((if mlog_#t~mem5 < 0 && 0 != mlog_#t~mem5 % 2 then 1 + mlog_#t~mem5 / 2 else mlog_#t~mem5 / 2), mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);havoc mlog_#t~mem5;call mlog_#t~mem6 := read~int(mlog_~res~0.base, mlog_~res~0.offset, 4);mlog_#t~post7 := mlog_#t~mem6;call write~int(1 + mlog_#t~post7, mlog_~res~0.base, mlog_~res~0.offset, 4);havoc mlog_#t~mem6;havoc mlog_#t~post7; 8#L553-3true [2018-12-01 18:07:10,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:07:10,503 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-01 18:07:10,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:07:10,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:07:10,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:07:10,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:07:10,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-12-01 18:07:10,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:07:10,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:07:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:07:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:07:10,600 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-12-01 18:07:10,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:07:10,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:07:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:07:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:07:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:07:10,832 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-12-01 18:07:10,874 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 18:07:10,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 18:07:10,875 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 18:07:10,875 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 18:07:10,875 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 18:07:10,875 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 18:07:10,875 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 18:07:10,876 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 18:07:10,876 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn-alloca_true-termination.c.i_Iteration1_Lasso [2018-12-01 18:07:10,876 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 18:07:10,876 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 18:07:10,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:10,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 18:07:11,264 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 18:07:11,269 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 18:07:11,270 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 [2018-12-01 18:07:11,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,277 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 [2018-12-01 18:07:11,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,278 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,279 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,279 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 [2018-12-01 18:07:11,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,280 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,281 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,281 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 [2018-12-01 18:07:11,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,282 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,283 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 [2018-12-01 18:07:11,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,283 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,285 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 [2018-12-01 18:07:11,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,285 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,287 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,287 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,290 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 [2018-12-01 18:07:11,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,291 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,294 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 [2018-12-01 18:07:11,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,294 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 18:07:11,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,295 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 18:07:11,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 18:07:11,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,296 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 [2018-12-01 18:07:11,296 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,297 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,300 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,300 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,324 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 [2018-12-01 18:07:11,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,325 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,327 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,327 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,334 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 [2018-12-01 18:07:11,334 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,335 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,336 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,336 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,344 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 [2018-12-01 18:07:11,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,345 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,346 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,346 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,349 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 [2018-12-01 18:07:11,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,350 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,351 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,351 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,358 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 [2018-12-01 18:07:11,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,358 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 18:07:11,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,359 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,360 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 18:07:11,360 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,366 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 [2018-12-01 18:07:11,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,367 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 18:07:11,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,368 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 18:07:11,368 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 18:07:11,374 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 [2018-12-01 18:07:11,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 18:07:11,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 18:07:11,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 18:07:11,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 18:07:11,376 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 18:07:11,377 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 18:07:11,391 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 18:07:11,403 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-01 18:07:11,403 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-12-01 18:07:11,405 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 18:07:11,406 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-01 18:07:11,407 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 18:07:11,407 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_mlog_~x_ref~0.base) ULTIMATE.start_mlog_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_mlog_~x_ref~0.base) ULTIMATE.start_mlog_~x_ref~0.offset)_1 Supporting invariants [] [2018-12-01 18:07:11,439 INFO L297 tatePredicateManager]: 8 out of 11 supporting invariants were superfluous and have been removed [2018-12-01 18:07:11,451 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 18:07:11,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:07:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:11,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:07:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:11,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:07:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:11,519 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-01 18:07:11,520 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2018-12-01 18:07:11,567 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 17 states and 19 transitions. Complement of second has 8 states. [2018-12-01 18:07:11,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-01 18:07:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-01 18:07:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2018-12-01 18:07:11,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2018-12-01 18:07:11,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 18:07:11,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-01 18:07:11,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 18:07:11,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2018-12-01 18:07:11,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 18:07:11,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2018-12-01 18:07:11,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 18:07:11,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2018-12-01 18:07:11,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 18:07:11,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 18:07:11,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 18:07:11,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 18:07:11,575 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:07:11,575 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:07:11,575 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:07:11,575 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 18:07:11,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 18:07:11,575 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 18:07:11,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 18:07:11,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 06:07:11 BoogieIcfgContainer [2018-12-01 18:07:11,579 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 18:07:11,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:07:11,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:07:11,579 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:07:11,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:10" (3/4) ... [2018-12-01 18:07:11,582 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 18:07:11,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:07:11,582 INFO L168 Benchmark]: Toolchain (without parser) took 1584.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.7 MB in the beginning and 876.5 MB in the end (delta: 75.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:07:11,583 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:07:11,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:07:11,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.09 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. [2018-12-01 18:07:11,583 INFO L168 Benchmark]: Boogie Preprocessor took 12.99 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. [2018-12-01 18:07:11,584 INFO L168 Benchmark]: RCFGBuilder took 133.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:07:11,584 INFO L168 Benchmark]: BuchiAutomizer took 1145.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.5 MB in the end (delta: 229.4 MB). Peak memory consumption was 229.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:07:11,584 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 876.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:07:11,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.99 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 133.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1145.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.5 MB in the end (delta: 229.4 MB). Peak memory consumption was 229.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 876.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax108 hnf100 lsp89 ukn61 mio100 lsp42 div103 bol100 ite100 ukn100 eq169 hnf89 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 2 VariablesLoop: 2 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...