./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/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 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:33:10,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:33:10,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:33:10,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:33:10,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:33:10,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:33:10,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:33:10,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:33:10,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:33:10,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:33:10,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:33:10,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:33:10,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:33:10,291 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:33:10,291 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:33:10,292 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:33:10,292 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:33:10,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:33:10,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:33:10,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:33:10,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:33:10,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:33:10,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:33:10,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:33:10,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:33:10,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:33:10,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:33:10,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:33:10,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:33:10,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:33:10,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:33:10,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:33:10,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:33:10,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:33:10,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:33:10,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:33:10,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 07:33:10,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:33:10,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:33:10,313 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:33:10,313 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:33:10,313 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:33:10,313 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:33:10,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:33:10,314 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:33:10,315 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:33:10,316 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:33:10,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:33:10,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:33:10,316 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:33:10,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:33:10,316 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:33:10,316 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:33:10,317 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:33:10,317 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_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/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 -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2018-11-23 07:33:10,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:33:10,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:33:10,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:33:10,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:33:10,353 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:33:10,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i [2018-11-23 07:33:10,387 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/data/86a19b695/b9431ec23289420d9cb117b219e224e4/FLAGb4025c3c5 [2018-11-23 07:33:10,804 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:33:10,804 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i [2018-11-23 07:33:10,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/data/86a19b695/b9431ec23289420d9cb117b219e224e4/FLAGb4025c3c5 [2018-11-23 07:33:10,818 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/data/86a19b695/b9431ec23289420d9cb117b219e224e4 [2018-11-23 07:33:10,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:33:10,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:33:10,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:33:10,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:33:10,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:33:10,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:33:10" (1/1) ... [2018-11-23 07:33:10,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bab14b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:10, skipping insertion in model container [2018-11-23 07:33:10,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:33:10" (1/1) ... [2018-11-23 07:33:10,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:33:10,859 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:33:11,035 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:33:11,044 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:33:11,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:33:11,137 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:33:11,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11 WrapperNode [2018-11-23 07:33:11,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:33:11,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:33:11,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:33:11,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:33:11,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:33:11,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:33:11,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:33:11,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:33:11,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... [2018-11-23 07:33:11,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:33:11,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:33:11,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:33:11,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:33:11,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8da4213e-b1ed-4d25-af0b-1fd3f01fb613/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:33:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:33:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:33:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:33:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:33:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:33:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:33:11,400 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:33:11,401 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 07:33:11,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:11 BoogieIcfgContainer [2018-11-23 07:33:11,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:33:11,401 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:33:11,401 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:33:11,405 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:33:11,405 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:33:11,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:33:10" (1/3) ... [2018-11-23 07:33:11,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75b1676d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:33:11, skipping insertion in model container [2018-11-23 07:33:11,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:33:11,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:11" (2/3) ... [2018-11-23 07:33:11,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75b1676d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:33:11, skipping insertion in model container [2018-11-23 07:33:11,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:33:11,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:11" (3/3) ... [2018-11-23 07:33:11,409 INFO L375 chiAutomizerObserver]: Analyzing ICFG b.02-alloca_true-termination_true-no-overflow.c.i [2018-11-23 07:33:11,456 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:33:11,457 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:33:11,457 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:33:11,457 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:33:11,457 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:33:11,457 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:33:11,458 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:33:11,458 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:33:11,458 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:33:11,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 07:33:11,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 07:33:11,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:33:11,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:33:11,494 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 07:33:11,494 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 07:33:11,494 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:33:11,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 07:33:11,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 07:33:11,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:33:11,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:33:11,495 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 07:33:11,495 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 07:33:11,502 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2018-11-23 07:33:11,502 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2018-11-23 07:33:11,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:11,506 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 07:33:11,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:33:11,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:33:11,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:11,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:11,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-11-23 07:33:11,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:33:11,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:33:11,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:11,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:11,630 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-23 07:33:11,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:33:11,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:33:11,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:33:11,959 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2018-11-23 07:33:12,065 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:33:12,066 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:33:12,066 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:33:12,066 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:33:12,066 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:33:12,066 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:33:12,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:33:12,066 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:33:12,066 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.02-alloca_true-termination_true-no-overflow.c.i_Iteration1_Lasso [2018-11-23 07:33:12,066 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:33:12,067 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:33:12,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,299 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2018-11-23 07:33:12,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:33:12,640 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:33:12,645 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:33:12,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,648 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:33:12,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,651 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:33:12,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:33:12,653 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,653 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,654 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,654 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:33:12,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,654 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,654 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,654 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:33:12,655 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:33:12,655 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,656 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,656 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,656 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:33:12,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,657 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,657 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,657 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:33:12,657 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:33:12,658 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,658 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,659 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:33:12,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,661 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:33:12,661 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:33:12,662 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,662 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,663 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,664 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:33:12,664 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:33:12,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:33:12,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,667 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,667 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:33:12,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:33:12,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:33:12,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:33:12,669 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:33:12,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:33:12,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:33:12,669 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:33:12,673 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:33:12,673 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:33:12,702 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:33:12,716 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 07:33:12,716 INFO L444 ModelExtractionUtils]: 25 out of 28 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 07:33:12,718 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:33:12,719 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 07:33:12,719 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:33:12,720 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2018-11-23 07:33:12,774 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2018-11-23 07:33:12,781 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 07:33:12,782 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 07:33:12,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:12,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:33:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:12,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:33:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:33:12,842 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:33:12,843 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2018-11-23 07:33:12,871 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2018-11-23 07:33:12,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-23 07:33:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:33:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2018-11-23 07:33:12,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-23 07:33:12,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:33:12,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-23 07:33:12,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:33:12,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-23 07:33:12,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:33:12,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2018-11-23 07:33:12,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:33:12,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2018-11-23 07:33:12,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:33:12,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:33:12,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:33:12,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:33:12,880 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:33:12,880 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:33:12,880 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:33:12,880 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:33:12,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:33:12,880 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:33:12,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:33:12,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:33:12 BoogieIcfgContainer [2018-11-23 07:33:12,884 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:33:12,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:33:12,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:33:12,884 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:33:12,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:11" (3/4) ... [2018-11-23 07:33:12,887 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:33:12,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:33:12,888 INFO L168 Benchmark]: Toolchain (without parser) took 2067.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 844.5 MB in the end (delta: 112.1 MB). Peak memory consumption was 258.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:12,888 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:33:12,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:12,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:12,889 INFO L168 Benchmark]: Boogie Preprocessor took 15.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:33:12,890 INFO L168 Benchmark]: RCFGBuilder took 220.22 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:12,890 INFO L168 Benchmark]: BuchiAutomizer took 1482.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.5 MB in the end (delta: 264.7 MB). Peak memory consumption was 264.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:12,891 INFO L168 Benchmark]: Witness Printer took 3.06 ms. Allocated memory is still 1.2 GB. Free memory is still 844.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:33:12,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 220.22 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1482.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.5 MB in the end (delta: 264.7 MB). Peak memory consumption was 264.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.06 ms. Allocated memory is still 1.2 GB. Free memory is still 844.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn55 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...