./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/add_first_alloca.i -s /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/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 b80c314f9b813935201d5b334c75f7a685c1e89b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:47,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:47,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:47,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:47,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:47,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:47,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:47,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:47,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:47,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:47,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:47,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:47,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:47,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:47,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:47,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:47,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:47,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:47,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:47,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:47,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:47,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:47,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:47,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:47,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:47,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:47,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:47,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:47,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:47,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:47,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:47,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:47,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:47,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:47,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:47,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:47,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:47,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:47,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:47,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:47,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:47,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:59:47,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:47,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:47,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:47,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:47,296 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:47,297 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:47,297 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:47,297 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:47,297 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:47,297 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:47,297 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:47,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:47,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:47,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:47,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:47,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:47,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:47,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:47,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:47,299 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:47,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:47,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:47,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:47,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:47,300 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:47,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:47,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:47,301 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:47,302 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:47,302 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/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 -> b80c314f9b813935201d5b334c75f7a685c1e89b [2019-10-22 08:59:47,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:47,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:47,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:47,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:47,359 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:47,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/../../sv-benchmarks/c/termination-15/add_first_alloca.i [2019-10-22 08:59:47,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/data/3b7125143/8f2ee84b9bff473cb9c7b2fe70158144/FLAGd75eb53d9 [2019-10-22 08:59:47,834 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:47,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/sv-benchmarks/c/termination-15/add_first_alloca.i [2019-10-22 08:59:47,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/data/3b7125143/8f2ee84b9bff473cb9c7b2fe70158144/FLAGd75eb53d9 [2019-10-22 08:59:48,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/uautomizer/data/3b7125143/8f2ee84b9bff473cb9c7b2fe70158144 [2019-10-22 08:59:48,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:48,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:48,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:48,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:48,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:48,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b96124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48, skipping insertion in model container [2019-10-22 08:59:48,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:48,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:48,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:48,636 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:48,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:48,731 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:48,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48 WrapperNode [2019-10-22 08:59:48,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:48,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:48,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:48,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:48,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:48,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:48,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:48,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:48,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:48,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:48,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:48,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:48,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74a25216-717f-4bb0-98d0-27f43ad27e68/bin/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 [2019-10-22 08:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:49,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:49,021 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:59:49,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49 BoogieIcfgContainer [2019-10-22 08:59:49,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:49,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:49,023 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:49,026 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:49,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:49,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:48" (1/3) ... [2019-10-22 08:59:49,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b2efd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:49, skipping insertion in model container [2019-10-22 08:59:49,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:49,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (2/3) ... [2019-10-22 08:59:49,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b2efd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:49, skipping insertion in model container [2019-10-22 08:59:49,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:49,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49" (3/3) ... [2019-10-22 08:59:49,032 INFO L371 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2019-10-22 08:59:49,076 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:49,076 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:49,077 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:49,077 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:49,077 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:49,077 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:49,077 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:49,077 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:49,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:59:49,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:59:49,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:49,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:49,126 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-10-22 08:59:49,127 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:59:49,127 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:49,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:59:49,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:59:49,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:49,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:49,129 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-10-22 08:59:49,129 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:59:49,137 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2019-10-22 08:59:49,137 INFO L793 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem207;havoc main_#t~mem208;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem210;havoc main_#t~mem209;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2019-10-22 08:59:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-10-22 08:59:49,152 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:49,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724805840] [2019-10-22 08:59:49,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,296 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:49,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:49,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2019-10-22 08:59:49,298 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:49,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187778351] [2019-10-22 08:59:49,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,320 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:49,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:49,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2019-10-22 08:59:49,322 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:49,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703396825] [2019-10-22 08:59:49,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:49,370 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:49,577 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-10-22 08:59:49,684 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-10-22 08:59:49,741 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:49,742 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:49,743 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:49,743 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:49,744 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:59:49,744 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:49,744 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:49,744 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:49,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2019-10-22 08:59:49,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:49,745 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:49,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:49,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:59:50,327 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:50,335 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:59:50,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,339 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,341 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,342 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,342 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,342 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,344 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,345 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,360 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,361 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,361 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,361 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,361 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,362 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,362 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,364 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,364 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,365 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,365 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,365 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,365 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,366 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,367 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,368 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,368 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,376 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,382 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:59:50,382 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:59:50,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,394 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,394 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,395 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,395 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,395 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,395 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,395 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,397 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,398 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,398 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,398 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,398 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,399 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,399 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,406 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,406 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,406 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,406 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,406 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,407 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,407 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,410 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,411 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,411 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,411 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,411 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,412 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,412 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,414 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,414 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,414 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,414 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,418 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:59:50,418 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:59:50,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,430 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,431 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,432 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,432 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,432 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,433 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,433 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,436 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,437 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,437 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,437 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,437 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,438 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,438 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,442 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,442 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:50,442 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,442 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,443 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,443 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:50,444 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:50,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:50,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:59:50,447 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:50,448 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:50,449 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:50,449 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:50,454 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:59:50,459 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:59:50,555 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:59:50,621 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:59:50,621 INFO L444 ModelExtractionUtils]: 20 out of 25 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 08:59:50,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:59:50,629 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:59:50,629 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:59:50,630 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset) = 1*ULTIMATE.start_main_~a~0.offset + 2 Supporting invariants [] [2019-10-22 08:59:50,651 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-10-22 08:59:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:50,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:59:50,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:50,755 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 [2019-10-22 08:59:50,756 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-10-22 08:59:50,794 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 5 states. [2019-10-22 08:59:50,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:59:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:59:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-10-22 08:59:50,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2019-10-22 08:59:50,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:50,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2019-10-22 08:59:50,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:50,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2019-10-22 08:59:50,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:50,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-10-22 08:59:50,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:50,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-10-22 08:59:50,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:50,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:50,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:50,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:50,811 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:50,811 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:50,812 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:50,812 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:59:50,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:50,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:50,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:59:50,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:50 BoogieIcfgContainer [2019-10-22 08:59:50,818 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:50,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:50,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:50,818 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:50,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49" (3/4) ... [2019-10-22 08:59:50,821 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:50,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:50,823 INFO L168 Benchmark]: Toolchain (without parser) took 2665.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.1 MB in the beginning and 939.7 MB in the end (delta: -541.3 kB). Peak memory consumption was 164.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,824 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:50,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.62 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,825 INFO L168 Benchmark]: Boogie Preprocessor took 22.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,826 INFO L168 Benchmark]: RCFGBuilder took 229.11 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,826 INFO L168 Benchmark]: BuchiAutomizer took 1795.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.7 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:50,827 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 1.2 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:50,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.62 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.11 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1795.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.7 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.60 ms. Allocated memory is still 1.2 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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...