./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca_false-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca_false-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/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 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:46:44,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:46:44,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:46:44,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:46:44,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:46:44,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:46:44,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:46:44,110 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:46:44,111 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:46:44,112 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:46:44,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:46:44,112 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:46:44,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:46:44,114 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:46:44,115 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:46:44,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:46:44,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:46:44,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:46:44,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:46:44,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:46:44,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:46:44,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:46:44,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:46:44,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:46:44,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:46:44,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:46:44,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:46:44,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:46:44,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:46:44,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:46:44,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:46:44,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:46:44,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:46:44,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:46:44,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:46:44,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:46:44,129 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:46:44,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:46:44,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:46:44,141 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:46:44,141 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:46:44,141 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:46:44,141 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:46:44,141 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:46:44,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:46:44,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:46:44,143 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:46:44,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:46:44,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:46:44,144 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:46:44,144 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:46:44,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:46:44,144 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:46:44,144 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:46:44,145 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:46:44,145 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_162c2db7-60b5-4f0f-a9db-774919fe3803/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 -> 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a [2018-11-28 12:46:44,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:46:44,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:46:44,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:46:44,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:46:44,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:46:44,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca_false-termination.c.i [2018-11-28 12:46:44,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/data/ab8c05b8e/cb62807c35df4d69943b1ce43829e87d/FLAGac1a7ece1 [2018-11-28 12:46:44,650 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:46:44,651 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca_false-termination.c.i [2018-11-28 12:46:44,657 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/data/ab8c05b8e/cb62807c35df4d69943b1ce43829e87d/FLAGac1a7ece1 [2018-11-28 12:46:44,666 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/data/ab8c05b8e/cb62807c35df4d69943b1ce43829e87d [2018-11-28 12:46:44,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:46:44,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:46:44,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:44,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:46:44,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:46:44,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:44,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bb1169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44, skipping insertion in model container [2018-11-28 12:46:44,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:44,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:46:44,703 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:46:44,876 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:44,885 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:46:44,956 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:44,988 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:46:44,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44 WrapperNode [2018-11-28 12:46:44,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:44,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:44,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:46:44,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:46:44,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:45,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:46:45,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:46:45,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:46:45,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... [2018-11-28 12:46:45,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:46:45,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:46:45,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:46:45,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:46:45,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/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 [2018-11-28 12:46:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:46:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:46:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:46:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:46:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2018-11-28 12:46:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2018-11-28 12:46:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:46:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:46:45,249 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:46:45,249 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 12:46:45,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:45 BoogieIcfgContainer [2018-11-28 12:46:45,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:46:45,250 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:46:45,250 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:46:45,252 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:46:45,253 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:46:45,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:46:44" (1/3) ... [2018-11-28 12:46:45,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a26298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:46:45, skipping insertion in model container [2018-11-28 12:46:45,254 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:46:45,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:44" (2/3) ... [2018-11-28 12:46:45,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a26298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:46:45, skipping insertion in model container [2018-11-28 12:46:45,254 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:46:45,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:45" (3/3) ... [2018-11-28 12:46:45,256 INFO L375 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg_traverse-alloca_false-termination.c.i [2018-11-28 12:46:45,302 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:46:45,302 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:46:45,302 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:46:45,303 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:46:45,303 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:46:45,303 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:46:45,303 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:46:45,303 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:46:45,303 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:46:45,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-28 12:46:45,339 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:46:45,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:46:45,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:46:45,346 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 12:46:45,346 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 12:46:45,346 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:46:45,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-28 12:46:45,348 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:46:45,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:46:45,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:46:45,348 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 12:46:45,348 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 12:46:45,355 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.alloc(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 18#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 14#new_lsegENTRYtrue [2018-11-28 12:46:45,355 INFO L796 eck$LassoCheckResult]: Loop: 14#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 10#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 14#new_lsegENTRYtrue [2018-11-28 12:46:45,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:45,360 INFO L82 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2018-11-28 12:46:45,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:45,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:45,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:45,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:45,459 INFO L82 PathProgramCache]: Analyzing trace with hash 57729, now seen corresponding path program 1 times [2018-11-28 12:46:45,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:45,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:45,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:45,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:45,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1807633698, now seen corresponding path program 1 times [2018-11-28 12:46:45,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:45,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:45,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:45,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:45,685 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2018-11-28 12:46:46,021 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2018-11-28 12:46:46,201 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:46:46,202 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:46:46,202 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:46:46,202 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:46:46,203 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:46:46,203 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:46:46,203 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:46:46,203 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:46:46,203 INFO L131 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg_traverse-alloca_false-termination.c.i_Iteration1_Lasso [2018-11-28 12:46:46,203 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:46:46,203 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:46:46,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:46,548 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:46:46,551 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:46:46,552 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 [2018-11-28 12:46:46,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,554 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,555 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,558 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 [2018-11-28 12:46:46,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,558 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,559 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,560 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 [2018-11-28 12:46:46,560 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,560 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,561 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,561 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,561 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,562 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,562 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 [2018-11-28 12:46:46,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,563 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,564 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 [2018-11-28 12:46:46,565 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,565 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,566 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,566 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,566 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 [2018-11-28 12:46:46,567 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,567 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,567 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,568 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,568 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 [2018-11-28 12:46:46,569 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,569 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,570 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,570 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,571 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 [2018-11-28 12:46:46,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,571 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,572 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,573 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 [2018-11-28 12:46:46,573 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,573 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,576 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 [2018-11-28 12:46:46,576 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,576 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,576 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,577 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,577 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,577 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,578 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 [2018-11-28 12:46:46,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,579 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,579 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,580 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 [2018-11-28 12:46:46,580 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,581 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,581 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,581 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,581 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,582 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,582 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,582 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 [2018-11-28 12:46:46,583 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,583 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,583 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,584 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,584 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,585 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 [2018-11-28 12:46:46,585 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,585 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,586 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,586 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,587 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 [2018-11-28 12:46:46,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,588 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,588 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,589 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 [2018-11-28 12:46:46,590 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,590 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,592 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:46:46,592 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:46,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,596 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 [2018-11-28 12:46:46,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:46,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,597 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,598 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:46,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:46,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,599 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 [2018-11-28 12:46:46,600 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,600 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,602 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:46:46,602 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:46,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,612 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 [2018-11-28 12:46:46,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,614 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:46:46,614 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:46,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,619 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 [2018-11-28 12:46:46,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,620 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:46:46,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,622 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:46:46,622 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:46,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,629 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 [2018-11-28 12:46:46,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:46,629 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,631 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:46:46,631 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:46,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:46,639 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 [2018-11-28 12:46:46,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:46,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:46,640 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:46:46,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:46,643 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-28 12:46:46,644 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:46:46,699 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:46:46,715 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:46:46,715 INFO L444 ModelExtractionUtils]: 17 out of 21 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:46:46,718 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:46:46,721 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-28 12:46:46,721 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:46:46,722 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2018-11-28 12:46:46,744 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2018-11-28 12:46:46,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:46,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:46,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:46,837 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-11-28 12:46:46,838 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2018-11-28 12:46:46,935 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 13 states. [2018-11-28 12:46:46,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 12:46:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 12:46:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2018-11-28 12:46:46,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 12:46:46,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:46,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-28 12:46:46,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:46,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-28 12:46:46,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:46,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2018-11-28 12:46:46,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:46:46,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 27 transitions. [2018-11-28 12:46:46,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2018-11-28 12:46:46,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-11-28 12:46:46,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2018-11-28 12:46:46,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:46:46,951 INFO L705 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2018-11-28 12:46:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2018-11-28 12:46:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2018-11-28 12:46:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-28 12:46:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2018-11-28 12:46:46,974 INFO L728 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2018-11-28 12:46:46,974 INFO L608 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2018-11-28 12:46:46,974 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:46:46,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2018-11-28 12:46:46,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:46:46,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:46:46,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:46:46,975 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:46,975 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 12:46:46,975 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 130#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 131#L572 assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.alloc(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 136#L559 call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 137#new_lsegENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 138#L548 assume 0 == ~n;#res.base, #res.offset := ~p.base, ~p.offset; 143#new_lsegFINAL assume true; 141#new_lsegEXIT >#37#return; 127#L559-1 call write~$Pointer$(new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~x~1.base, 4 + new_cll_~x~1.offset, 8);havoc new_cll_#t~ret5.base, new_cll_#t~ret5.offset;new_cll_#res.base, new_cll_#res.offset := new_cll_~x~1.base, new_cll_~x~1.offset; 128#L560 main_#t~ret8.base, main_#t~ret8.offset := new_cll_#res.base, new_cll_#res.offset;main_~x~2.base, main_~x~2.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~x~2.base, main_~x~2.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~0.base, traverse_~curr~0.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~0.base, traverse_~curr~0.offset := traverse_~head.base, traverse_~head.offset; 133#L565-2 [2018-11-28 12:46:46,976 INFO L796 eck$LassoCheckResult]: Loop: 133#L565-2 assume !!(traverse_~curr~0.base != 0 || traverse_~curr~0.offset != 0);call traverse_#t~mem6.base, traverse_#t~mem6.offset := read~$Pointer$(traverse_~curr~0.base, 4 + traverse_~curr~0.offset, 8);traverse_~curr~0.base, traverse_~curr~0.offset := traverse_#t~mem6.base, traverse_#t~mem6.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset; 133#L565-2 [2018-11-28 12:46:46,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:46,976 INFO L82 PathProgramCache]: Analyzing trace with hash 914562823, now seen corresponding path program 1 times [2018-11-28 12:46:46,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:46,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:46,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:46,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:46,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:46,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:46,997 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2018-11-28 12:46:46,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:46,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:46,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:46,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:46,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:47,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:47,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1713323539, now seen corresponding path program 1 times [2018-11-28 12:46:47,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:47,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:47,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:47,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:47,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:47,547 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 141 [2018-11-28 12:46:47,557 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 12:46:47,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 12:46:47,618 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 12:46:47,625 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 12:46:47,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 12:46:47,673 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:160, output treesize:136 [2018-11-28 12:46:47,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:46:47 BoogieIcfgContainer [2018-11-28 12:46:47,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:46:47,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:46:47,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:46:47,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:46:47,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:45" (3/4) ... [2018-11-28 12:46:47,746 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:46:47,773 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_162c2db7-60b5-4f0f-a9db-774919fe3803/bin-2019/uautomizer/witness.graphml [2018-11-28 12:46:47,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:46:47,774 INFO L168 Benchmark]: Toolchain (without parser) took 3106.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -76.0 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:47,774 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:47,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:47,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:47,775 INFO L168 Benchmark]: Boogie Preprocessor took 16.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:47,776 INFO L168 Benchmark]: RCFGBuilder took 216.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:47,776 INFO L168 Benchmark]: BuchiAutomizer took 2493.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:47,776 INFO L168 Benchmark]: Witness Printer took 29.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:47,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 216.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2493.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. * Witness Printer took 29.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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) and one nonterminating remainder module.One deterministic module has affine ranking function \old(n) and consists of 5 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax100 hnf100 lsp93 ukn43 mio100 lsp32 div100 bol100 ite100 ukn100 eq196 hnf91 smp100 dnf139 smp100 tf100 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 82ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@575ab6d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@293e2f79=0, curr=2, \result=0, x=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70f42a18=0, x=2, \old(n)=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32837c13=0, x=2, head=0, head=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@575ab6d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55beb9a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32837c13=2, n=1, head=0, head=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55beb9a4=0, NULL=0, n=1, \result=2, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@293e2f79=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L571] int n = __VERIFIER_nondet_int(); [L572] COND FALSE !(n < 1) [L557] node_t* x = malloc(sizeof(node_t)); [L558] x->val = n [L559] CALL, EXPR new_lseg(x,n-1) [L548] COND TRUE n==0 [L549] return p; [L559] RET, EXPR new_lseg(x,n-1) [L559] x->next = new_lseg(x,n-1) [L560] return x; [L575] node_t* x = new_cll(n); [L564] node_t* curr = head; Loop: [L565] COND TRUE curr != ((void *)0) [L566] EXPR curr->next [L566] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...