./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-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_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/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 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:45:12,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 07:45:12,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 07:45:13,006 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 07:45:13,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 07:45:13,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 07:45:13,008 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 07:45:13,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 07:45:13,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 07:45:13,011 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 07:45:13,011 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 07:45:13,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 07:45:13,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 07:45:13,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 07:45:13,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 07:45:13,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 07:45:13,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 07:45:13,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 07:45:13,018 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 07:45:13,019 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 07:45:13,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 07:45:13,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 07:45:13,022 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 07:45:13,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 07:45:13,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 07:45:13,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 07:45:13,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 07:45:13,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 07:45:13,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 07:45:13,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 07:45:13,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 07:45:13,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 07:45:13,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 07:45:13,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 07:45:13,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 07:45:13,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 07:45:13,028 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-01 07:45:13,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 07:45:13,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 07:45:13,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 07:45:13,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 07:45:13,040 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 07:45:13,040 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 07:45:13,040 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 07:45:13,040 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 07:45:13,040 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 07:45:13,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 07:45:13,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 07:45:13,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 07:45:13,042 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 07:45:13,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 07:45:13,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 07:45:13,043 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 07:45:13,043 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 07:45:13,043 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_4e2684ae-3749-410e-bfe5-84cf642d23f3/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 -> 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 [2018-12-01 07:45:13,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 07:45:13,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 07:45:13,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 07:45:13,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 07:45:13,075 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 07:45:13,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i [2018-12-01 07:45:13,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/data/ce65ac050/314987634cd6439ab95c3fa6ba93d30d/FLAGf1348973e [2018-12-01 07:45:13,520 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 07:45:13,520 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i [2018-12-01 07:45:13,526 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/data/ce65ac050/314987634cd6439ab95c3fa6ba93d30d/FLAGf1348973e [2018-12-01 07:45:13,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/bin-2019/uautomizer/data/ce65ac050/314987634cd6439ab95c3fa6ba93d30d [2018-12-01 07:45:13,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 07:45:13,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 07:45:13,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 07:45:13,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 07:45:13,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 07:45:13,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:45:13" (1/1) ... [2018-12-01 07:45:13,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceaa519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:13, skipping insertion in model container [2018-12-01 07:45:13,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:45:13" (1/1) ... [2018-12-01 07:45:13,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 07:45:13,913 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 07:45:14,069 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 07:45:14,077 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 07:45:14,138 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 07:45:14,160 INFO L195 MainTranslator]: Completed translation [2018-12-01 07:45:14,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14 WrapperNode [2018-12-01 07:45:14,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 07:45:14,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 07:45:14,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 07:45:14,161 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 07:45:14,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 07:45:14,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 07:45:14,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 07:45:14,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 07:45:14,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... [2018-12-01 07:45:14,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 07:45:14,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 07:45:14,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 07:45:14,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 07:45:14,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e2684ae-3749-410e-bfe5-84cf642d23f3/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 07:45:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 07:45:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 07:45:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 07:45:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 07:45:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 07:45:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 07:45:14,382 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 07:45:14,382 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 07:45:14,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:45:14 BoogieIcfgContainer [2018-12-01 07:45:14,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 07:45:14,383 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 07:45:14,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 07:45:14,385 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 07:45:14,386 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:45:14,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 07:45:13" (1/3) ... [2018-12-01 07:45:14,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a9bb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 07:45:14, skipping insertion in model container [2018-12-01 07:45:14,387 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:45:14,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:45:14" (2/3) ... [2018-12-01 07:45:14,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a9bb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 07:45:14, skipping insertion in model container [2018-12-01 07:45:14,387 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:45:14,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:45:14" (3/3) ... [2018-12-01 07:45:14,388 INFO L375 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i [2018-12-01 07:45:14,420 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 07:45:14,421 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 07:45:14,421 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 07:45:14,421 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 07:45:14,421 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 07:45:14,421 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 07:45:14,421 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 07:45:14,421 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 07:45:14,421 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 07:45:14,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-12-01 07:45:14,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-01 07:45:14,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:45:14,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:45:14,444 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-01 07:45:14,445 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 07:45:14,445 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 07:45:14,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-12-01 07:45:14,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-01 07:45:14,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:45:14,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:45:14,446 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-01 07:45:14,446 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 07:45:14,450 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.alloc(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.alloc(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.alloc(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.alloc(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 5#L556true assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 7#L556-2true assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 6#L559-3true [2018-12-01 07:45:14,451 INFO L796 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 3#L559-1true assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post12;havoc subxy_#t~mem11;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post14;havoc subxy_#t~mem13; 6#L559-3true [2018-12-01 07:45:14,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:14,454 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2018-12-01 07:45:14,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:14,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:14,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:14,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:14,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:14,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2018-12-01 07:45:14,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:14,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:14,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:14,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:14,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:14,565 INFO L82 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2018-12-01 07:45:14,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:14,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:14,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:14,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:15,047 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 122 [2018-12-01 07:45:15,180 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-12-01 07:45:15,189 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 07:45:15,189 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 07:45:15,190 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 07:45:15,190 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 07:45:15,190 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 07:45:15,190 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 07:45:15,190 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 07:45:15,190 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 07:45:15,190 INFO L131 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i_Iteration1_Lasso [2018-12-01 07:45:15,191 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 07:45:15,191 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 07:45:15,211 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 07:45:15,216 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 07:45:15,218 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 07:45:15,219 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 07:45:15,220 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 07:45:15,221 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 07:45:15,535 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2018-12-01 07:45:15,604 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 07:45:15,605 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 07:45:15,606 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 07:45:15,607 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 07:45:15,608 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 07:45:15,610 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 07:45:15,611 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 07:45:15,612 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 07:45:15,613 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 07:45:15,614 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 07:45:15,615 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 07:45:15,616 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 07:45:15,618 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 07:45:15,620 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 07:45:15,621 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 07:45:15,622 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 07:45:15,623 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 07:45:15,625 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 07:45:15,626 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 07:45:15,627 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 07:45:15,628 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 07:45:15,629 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 07:45:15,952 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 07:45:15,955 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 07:45:15,957 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 07:45:15,958 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:15,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,959 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,960 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:15,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:15,962 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,962 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 07:45:15,963 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:15,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,963 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,963 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:15,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:15,964 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,964 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 07:45:15,965 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:15,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,965 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,966 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:15,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:15,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,967 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 [2018-12-01 07:45:15,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:15,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,968 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,968 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:15,968 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:15,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,969 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 07:45:15,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:15,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,970 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,970 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:15,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:15,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,971 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 07:45:15,971 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,972 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,973 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:15,973 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:15,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,976 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 07:45:15,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,977 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:15,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,977 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,978 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:15,979 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:15,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:15,985 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 07:45:15,985 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:15,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:15,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:15,986 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:15,989 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:15,989 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:16,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:16,005 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 07:45:16,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:16,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:16,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:16,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:16,007 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:16,007 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:16,009 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:16,010 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 07:45:16,010 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:16,010 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:16,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:16,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:16,011 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:16,011 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:16,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:16,015 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 07:45:16,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:16,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:16,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:16,016 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:16,017 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:16,017 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:16,026 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 07:45:16,033 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 07:45:16,033 INFO L444 ModelExtractionUtils]: 16 out of 19 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-01 07:45:16,034 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 07:45:16,035 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-01 07:45:16,035 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 07:45:16,036 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1 Supporting invariants [] [2018-12-01 07:45:16,122 INFO L297 tatePredicateManager]: 33 out of 36 supporting invariants were superfluous and have been removed [2018-12-01 07:45:16,134 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 07:45:16,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:45:16,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 07:45:16,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-01 07:45:16,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-12-01 07:45:16,210 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:16,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:16,212 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:16,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-12-01 07:45:16,213 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 07:45:16,217 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:16,222 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:16,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:16,229 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:22, output treesize:12 [2018-12-01 07:45:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:45:16,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 07:45:16,254 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 07:45:16,263 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-01 07:45:16,263 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2018-12-01 07:45:16,314 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 32 states and 41 transitions. Complement of second has 9 states. [2018-12-01 07:45:16,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-01 07:45:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 07:45:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-12-01 07:45:16,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-01 07:45:16,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:16,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2018-12-01 07:45:16,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:16,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2018-12-01 07:45:16,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:16,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2018-12-01 07:45:16,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 07:45:16,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2018-12-01 07:45:16,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-12-01 07:45:16,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-12-01 07:45:16,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2018-12-01 07:45:16,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 07:45:16,322 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-12-01 07:45:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2018-12-01 07:45:16,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2018-12-01 07:45:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-12-01 07:45:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2018-12-01 07:45:16,338 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-12-01 07:45:16,338 INFO L608 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-12-01 07:45:16,338 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 07:45:16,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2018-12-01 07:45:16,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 07:45:16,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:45:16,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:45:16,338 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 07:45:16,339 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 07:45:16,339 INFO L794 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 242#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.alloc(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.alloc(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.alloc(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.alloc(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 243#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 250#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 251#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 244#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 245#L563-2 [2018-12-01 07:45:16,339 INFO L796 eck$LassoCheckResult]: Loop: 245#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 249#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 245#L563-2 [2018-12-01 07:45:16,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,339 INFO L82 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2018-12-01 07:45:16,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:16,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:16,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:16,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:45:16,418 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 07:45:16,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 07:45:16,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 07:45:16,420 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 07:45:16,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2018-12-01 07:45:16,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:16,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:16,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:16,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 07:45:16,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 07:45:16,472 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 6 states. [2018-12-01 07:45:16,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 07:45:16,515 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-12-01 07:45:16,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 07:45:16,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-12-01 07:45:16,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 07:45:16,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2018-12-01 07:45:16,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-12-01 07:45:16,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-12-01 07:45:16,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2018-12-01 07:45:16,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 07:45:16,516 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-12-01 07:45:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2018-12-01 07:45:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-12-01 07:45:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-12-01 07:45:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2018-12-01 07:45:16,517 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2018-12-01 07:45:16,517 INFO L608 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2018-12-01 07:45:16,517 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 07:45:16,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2018-12-01 07:45:16,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-01 07:45:16,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:45:16,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:45:16,518 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2018-12-01 07:45:16,518 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 07:45:16,518 INFO L794 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 279#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.alloc(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.alloc(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.alloc(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.alloc(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 280#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 288#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 287#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 283#L559-1 assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~post12;havoc subxy_#t~mem11;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post14;havoc subxy_#t~mem13; 284#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 281#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 282#L563-2 [2018-12-01 07:45:16,518 INFO L796 eck$LassoCheckResult]: Loop: 282#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 286#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 282#L563-2 [2018-12-01 07:45:16,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,518 INFO L82 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2018-12-01 07:45:16,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:16,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:16,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:16,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2018-12-01 07:45:16,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:16,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:16,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:45:16,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:16,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2018-12-01 07:45:16,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:45:16,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:45:16,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,552 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 07:45:16,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:45:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:45:17,326 WARN L180 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 139 [2018-12-01 07:45:17,501 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-12-01 07:45:17,503 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 07:45:17,503 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 07:45:17,504 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 07:45:17,504 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 07:45:17,504 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 07:45:17,504 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 07:45:17,504 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 07:45:17,504 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 07:45:17,504 INFO L131 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca_true-termination.c.i_Iteration3_Lasso [2018-12-01 07:45:17,504 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 07:45:17,504 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 07:45:17,507 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 07:45:17,508 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 07:45:17,509 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 07:45:17,516 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 07:45:17,828 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2018-12-01 07:45:17,899 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 07:45:17,900 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 07:45:17,901 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 07:45:17,902 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 07:45:17,903 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 07:45:17,904 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 07:45:17,905 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 07:45:17,906 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 07:45:17,907 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 07:45:17,908 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 07:45:17,909 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 07:45:17,910 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 07:45:17,911 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 07:45:17,912 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 07:45:17,913 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 07:45:17,914 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 07:45:17,915 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 07:45:17,916 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 07:45:17,916 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 07:45:17,917 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 07:45:17,918 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 07:45:17,919 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 07:45:17,920 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 07:45:17,921 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 07:45:18,235 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 07:45:18,235 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 07:45:18,235 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 07:45:18,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,236 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:18,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,237 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:18,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:18,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,238 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 07:45:18,238 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,238 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,239 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,239 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,241 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 07:45:18,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 07:45:18,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,242 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 07:45:18,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 07:45:18,242 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,243 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 07:45:18,243 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,243 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:18,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,243 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,244 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:18,244 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,248 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 07:45:18,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,249 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:18,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,250 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:18,250 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,254 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 07:45:18,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,255 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,255 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,257 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,257 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 07:45:18,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,258 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,259 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,259 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,263 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 07:45:18,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,263 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,264 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,264 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,265 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,266 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 07:45:18,266 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,266 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:18,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,267 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:18,267 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,270 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 07:45:18,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,271 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,271 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,275 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 07:45:18,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,277 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,277 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,286 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 07:45:18,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,287 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,287 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,290 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 07:45:18,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,291 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,292 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 07:45:18,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,293 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 07:45:18,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,293 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 07:45:18,293 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,295 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 07:45:18,295 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 07:45:18,296 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 07:45:18,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 07:45:18,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 07:45:18,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 07:45:18,297 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 07:45:18,297 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 07:45:18,306 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 07:45:18,316 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-01 07:45:18,316 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-01 07:45:18,317 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 07:45:18,317 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-01 07:45:18,318 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 07:45:18,318 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2 Supporting invariants [] [2018-12-01 07:45:18,414 INFO L297 tatePredicateManager]: 34 out of 37 supporting invariants were superfluous and have been removed [2018-12-01 07:45:18,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 07:45:18,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 07:45:18,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:45:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:45:18,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 07:45:18,449 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-01 07:45:18,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-12-01 07:45:18,457 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:18,458 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:18,459 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 07:45:18,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-12-01 07:45:18,460 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 07:45:18,463 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:18,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:18,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 07:45:18,471 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:22, output treesize:12 [2018-12-01 07:45:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:45:18,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 07:45:18,489 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 07:45:18,490 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-01 07:45:18,490 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 4 states. [2018-12-01 07:45:18,518 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 5 states. [2018-12-01 07:45:18,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-01 07:45:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 07:45:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-12-01 07:45:18,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2018-12-01 07:45:18,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:18,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2018-12-01 07:45:18,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:18,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2018-12-01 07:45:18,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 07:45:18,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2018-12-01 07:45:18,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 07:45:18,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 07:45:18,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 07:45:18,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 07:45:18,520 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-01 07:45:18,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 07:45:18,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 07:45:18,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 07:45:18,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 07:45:18 BoogieIcfgContainer [2018-12-01 07:45:18,526 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 07:45:18,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 07:45:18,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 07:45:18,526 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 07:45:18,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:45:14" (3/4) ... [2018-12-01 07:45:18,529 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 07:45:18,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 07:45:18,530 INFO L168 Benchmark]: Toolchain (without parser) took 4650.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 205.6 MB. Max. memory is 11.5 GB. [2018-12-01 07:45:18,531 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 07:45:18,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-01 07:45:18,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.50 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 07:45:18,532 INFO L168 Benchmark]: Boogie Preprocessor took 14.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-01 07:45:18,532 INFO L168 Benchmark]: RCFGBuilder took 182.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-12-01 07:45:18,533 INFO L168 Benchmark]: BuchiAutomizer took 4142.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. [2018-12-01 07:45:18,533 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 07:45:18,535 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.50 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 14.53 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 182.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4142.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[i][i] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 44 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital779 mio100 ax102 hnf100 lsp95 ukn31 mio100 lsp34 div100 bol100 ite100 ukn100 eq192 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms 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...