./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/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 76734cd11c33a85b413392e9940357c680656079 ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:02:02,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:02:02,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:02:02,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:02:02,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:02:02,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:02:02,997 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:02:02,998 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:02:02,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:02:03,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:02:03,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:02:03,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:02:03,001 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:02:03,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:02:03,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:02:03,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:02:03,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:02:03,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:02:03,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:02:03,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:02:03,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:02:03,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:02:03,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:02:03,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:02:03,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:02:03,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:02:03,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:02:03,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:02:03,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:02:03,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:02:03,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:02:03,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:02:03,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:02:03,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:02:03,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:02:03,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:02:03,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 04:02:03,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:02:03,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:02:03,023 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:02:03,023 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:02:03,023 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:02:03,024 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 04:02:03,024 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 04:02:03,024 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 04:02:03,024 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 04:02:03,024 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 04:02:03,024 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 04:02:03,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:02:03,025 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 04:02:03,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 04:02:03,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:02:03,026 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:02:03,026 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 04:02:03,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:02:03,026 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:02:03,026 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 04:02:03,027 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 04:02:03,027 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_27177ef1-0dd6-447a-b8d0-94a078cc4a62/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 -> 76734cd11c33a85b413392e9940357c680656079 [2018-11-10 04:02:03,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:02:03,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:02:03,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:02:03,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:02:03,063 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:02:03,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca_true-termination.c.i [2018-11-10 04:02:03,105 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/data/8d5bf5091/77942c8e14b54e4bb58dff1711aa89a6/FLAGbec265682 [2018-11-10 04:02:03,544 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:02:03,545 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/sv-benchmarks/c/termination-memory-alloca/easySum-alloca_true-termination.c.i [2018-11-10 04:02:03,552 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/data/8d5bf5091/77942c8e14b54e4bb58dff1711aa89a6/FLAGbec265682 [2018-11-10 04:02:03,562 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/bin-2019/uautomizer/data/8d5bf5091/77942c8e14b54e4bb58dff1711aa89a6 [2018-11-10 04:02:03,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:02:03,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:02:03,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:02:03,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:02:03,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:02:03,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c80a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03, skipping insertion in model container [2018-11-10 04:02:03,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:02:03,611 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:02:03,787 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:02:03,795 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:02:03,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:02:03,852 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:02:03,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03 WrapperNode [2018-11-10 04:02:03,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:02:03,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:02:03,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:02:03,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:02:03,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:02:03,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:02:03,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:02:03,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:02:03,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... [2018-11-10 04:02:03,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:02:03,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:02:03,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:02:03,937 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:02:03,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27177ef1-0dd6-447a-b8d0-94a078cc4a62/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 [2018-11-10 04:02:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:02:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:02:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:02:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:02:04,145 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:02:04,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:04 BoogieIcfgContainer [2018-11-10 04:02:04,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:02:04,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 04:02:04,146 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 04:02:04,148 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 04:02:04,148 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:02:04,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 04:02:03" (1/3) ... [2018-11-10 04:02:04,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1c798e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:02:04, skipping insertion in model container [2018-11-10 04:02:04,149 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:02:04,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:03" (2/3) ... [2018-11-10 04:02:04,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d1c798e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:02:04, skipping insertion in model container [2018-11-10 04:02:04,150 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:02:04,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:04" (3/3) ... [2018-11-10 04:02:04,151 INFO L375 chiAutomizerObserver]: Analyzing ICFG easySum-alloca_true-termination.c.i [2018-11-10 04:02:04,186 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:02:04,187 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 04:02:04,187 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 04:02:04,187 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 04:02:04,187 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:02:04,187 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:02:04,187 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 04:02:04,187 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:02:04,188 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 04:02:04,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-10 04:02:04,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2018-11-10 04:02:04,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:02:04,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:02:04,216 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 04:02:04,216 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:02:04,216 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 04:02:04,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-10 04:02:04,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2018-11-10 04:02:04,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:02:04,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:02:04,218 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 04:02:04,218 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:02:04,223 INFO L793 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet12, main_#t~ret13;assume { :begin_inline_iterate } true;iterate_#in~bound := main_#t~nondet12;havoc iterate_#res;havoc iterate_#t~malloc2.base, iterate_#t~malloc2.offset, iterate_#t~malloc3.base, iterate_#t~malloc3.offset, iterate_#t~malloc4.base, iterate_#t~malloc4.offset, iterate_#t~mem9, iterate_#t~mem10, iterate_#t~mem5, iterate_#t~post6, iterate_#t~mem7, iterate_#t~mem8, iterate_#t~mem11, iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, iterate_~i~0.base, iterate_~i~0.offset, iterate_~sum~0.base, iterate_~sum~0.offset;iterate_~bound := iterate_#in~bound;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];iterate_#t~malloc2.base, iterate_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset := iterate_#t~malloc2.base, iterate_#t~malloc2.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];iterate_#t~malloc3.base, iterate_#t~malloc3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;iterate_~i~0.base, iterate_~i~0.offset := iterate_#t~malloc3.base, iterate_#t~malloc3.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];iterate_#t~malloc4.base, iterate_#t~malloc4.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;iterate_~sum~0.base, iterate_~sum~0.offset := iterate_#t~malloc4.base, iterate_#t~malloc4.offset; 17#L552true SUMMARY for call write~int(iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4); srcloc: L552 20#L552-1true SUMMARY for call write~int(0, iterate_~sum~0.base, iterate_~sum~0.offset, 4); srcloc: L552-1 13#L553true SUMMARY for call write~int(0, iterate_~i~0.base, iterate_~i~0.offset, 4); srcloc: L553 8#L554-9true [2018-11-10 04:02:04,224 INFO L795 eck$LassoCheckResult]: Loop: 8#L554-9true assume true; 14#L554-1true SUMMARY for call iterate_#t~mem7 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4); srcloc: L554-1 18#L554-2true SUMMARY for call iterate_#t~mem8 := read~int(iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4); srcloc: L554-2 21#L554-3true assume !!(iterate_#t~mem7 < iterate_#t~mem8);havoc iterate_#t~mem7;havoc iterate_#t~mem8; 9#L555true SUMMARY for call iterate_#t~mem9 := read~int(iterate_~sum~0.base, iterate_~sum~0.offset, 4); srcloc: L555 11#L555-1true SUMMARY for call iterate_#t~mem10 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4); srcloc: L555-1 15#L555-2true SUMMARY for call write~int(iterate_#t~mem9 + iterate_#t~mem10, iterate_~sum~0.base, iterate_~sum~0.offset, 4); srcloc: L555-2 19#L555-3true havoc iterate_#t~mem10;havoc iterate_#t~mem9; 25#L554-5true SUMMARY for call iterate_#t~mem5 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4); srcloc: L554-5 3#L554-6true iterate_#t~post6 := iterate_#t~mem5; 4#L554-7true SUMMARY for call write~int(iterate_#t~post6 + 1, iterate_~i~0.base, iterate_~i~0.offset, 4); srcloc: L554-7 6#L554-8true havoc iterate_#t~mem5;havoc iterate_#t~post6; 8#L554-9true [2018-11-10 04:02:04,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:02:04,228 INFO L82 PathProgramCache]: Analyzing trace with hash 28691745, now seen corresponding path program 1 times [2018-11-10 04:02:04,230 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:02:04,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:02:04,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:02:04,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:02:04,330 INFO L82 PathProgramCache]: Analyzing trace with hash -2016147573, now seen corresponding path program 1 times [2018-11-10 04:02:04,331 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:02:04,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:02:04,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:02:04,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:02:04,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1587487915, now seen corresponding path program 1 times [2018-11-10 04:02:04,361 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:02:04,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:02:04,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:02:04,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:02:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:02:04,732 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2018-11-10 04:02:04,837 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 04:02:04,838 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 04:02:04,838 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 04:02:04,838 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 04:02:04,838 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 04:02:04,838 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 04:02:04,838 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 04:02:04,839 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 04:02:04,839 INFO L131 ssoRankerPreferences]: Filename of dumped script: easySum-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-10 04:02:04,839 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 04:02:04,839 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 04:02:04,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,182 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2018-11-10 04:02:05,296 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-10 04:02:05,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 04:02:05,724 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 04:02:05,727 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 04:02:05,728 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 [2018-11-10 04:02:05,729 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:02:05,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:02:05,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:02:05,730 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:02:05,732 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:02:05,733 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 04:02:05,738 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 04:02:05,738 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 [2018-11-10 04:02:05,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 04:02:05,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 04:02:05,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 04:02:05,739 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 04:02:05,742 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 04:02:05,742 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 04:02:05,772 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 04:02:05,787 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 04:02:05,787 INFO L444 ModelExtractionUtils]: 18 out of 22 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 04:02:05,789 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 04:02:05,791 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 04:02:05,791 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 04:02:05,791 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1 Supporting invariants [] [2018-11-10 04:02:05,863 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2018-11-10 04:02:05,874 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 04:02:05,874 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 04:02:05,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:02:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:05,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:02:05,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:05,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-10 04:02:05,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:05,967 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:05,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-10 04:02:05,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:02:05,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:02:05,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:02:05,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:17 [2018-11-10 04:02:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:06,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:02:06,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 45 [2018-11-10 04:02:06,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 04:02:06,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:02:06,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:02:06,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:02:06,081 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:38 [2018-11-10 04:02:06,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:06,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 59 [2018-11-10 04:02:06,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:06,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:06,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 52 [2018-11-10 04:02:06,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:02:06,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:02:06,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-10 04:02:06,174 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:02:06,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:02:06,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:02:06,206 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:58, output treesize:72 [2018-11-10 04:02:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:02:06,259 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2018-11-10 04:02:06,260 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 10 states. [2018-11-10 04:02:06,367 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 10 states. Result 44 states and 46 transitions. Complement of second has 17 states. [2018-11-10 04:02:06,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-10 04:02:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-10 04:02:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 27 transitions. [2018-11-10 04:02:06,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 5 letters. Loop has 12 letters. [2018-11-10 04:02:06,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 04:02:06,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 17 letters. Loop has 12 letters. [2018-11-10 04:02:06,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 04:02:06,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 5 letters. Loop has 24 letters. [2018-11-10 04:02:06,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 04:02:06,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 46 transitions. [2018-11-10 04:02:06,373 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 04:02:06,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2018-11-10 04:02:06,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 04:02:06,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 04:02:06,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 04:02:06,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 04:02:06,376 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:02:06,376 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:02:06,376 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:02:06,376 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 04:02:06,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:02:06,377 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 04:02:06,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 04:02:06,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 04:02:06 BoogieIcfgContainer [2018-11-10 04:02:06,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 04:02:06,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:02:06,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:02:06,381 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:02:06,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:04" (3/4) ... [2018-11-10 04:02:06,383 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:02:06,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:02:06,384 INFO L168 Benchmark]: Toolchain (without parser) took 2819.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.6 MB in the beginning and 874.2 MB in the end (delta: 83.5 MB). Peak memory consumption was 221.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,385 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:02:06,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.00 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,386 INFO L168 Benchmark]: Boogie Preprocessor took 13.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,386 INFO L168 Benchmark]: RCFGBuilder took 208.74 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,386 INFO L168 Benchmark]: BuchiAutomizer took 2235.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.2 MB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:06,387 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 874.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:02:06,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.00 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.74 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2235.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.2 MB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 874.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + unknown-#memory_int-unknown[bound_ref][bound_ref] and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 22 SDslu, 11 SDs, 0 SdLazy, 50 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital312 mio100 ax105 hnf100 lsp92 ukn76 mio100 lsp40 div100 bol100 ite100 ukn100 eq205 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 2 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...