./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 1643f1caf494dad598b4df826effeedd3e612fb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 21:26:08,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:26:08,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:26:08,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:26:08,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:26:08,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:26:08,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:26:08,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:26:08,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:26:08,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:26:08,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:26:08,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:26:08,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:26:08,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:26:08,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:26:08,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:26:08,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:26:08,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:26:08,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:26:08,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:26:08,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:26:08,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:26:08,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:26:08,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:26:08,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:26:08,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:26:08,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:26:08,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:26:08,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:26:08,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:26:08,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:26:08,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:26:08,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:26:08,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:26:08,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:26:08,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:26:08,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:26:08,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:26:08,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:26:08,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:26:08,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:26:08,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:26:09,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:26:09,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:26:09,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:26:09,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:26:09,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:26:09,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:26:09,035 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:26:09,035 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:26:09,036 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:26:09,036 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:26:09,036 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:26:09,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:26:09,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:26:09,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:26:09,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:26:09,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:26:09,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:26:09,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:26:09,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:26:09,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:26:09,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:26:09,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:26:09,039 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:26:09,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:26:09,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:26:09,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:26:09,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:26:09,041 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:26:09,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:26:09,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:26:09,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:26:09,042 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:26:09,043 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:26:09,043 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1643f1caf494dad598b4df826effeedd3e612fb8 [2019-11-28 21:26:09,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:26:09,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:26:09,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:26:09,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:26:09,368 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:26:09,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2019-11-28 21:26:09,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192c94090/272ab51b8b5d45d1bab65c7ef91c47e8/FLAG16d8398ec [2019-11-28 21:26:09,946 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:26:09,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2019-11-28 21:26:09,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192c94090/272ab51b8b5d45d1bab65c7ef91c47e8/FLAG16d8398ec [2019-11-28 21:26:10,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192c94090/272ab51b8b5d45d1bab65c7ef91c47e8 [2019-11-28 21:26:10,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:26:10,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:26:10,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:26:10,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:26:10,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:26:10,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10, skipping insertion in model container [2019-11-28 21:26:10,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:26:10,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:26:10,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:26:10,769 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:26:10,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:26:10,882 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:26:10,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10 WrapperNode [2019-11-28 21:26:10,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:26:10,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:26:10,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:26:10,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:26:10,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:26:10,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:26:10,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:26:10,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:26:10,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... [2019-11-28 21:26:10,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:26:10,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:26:10,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:26:10,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:26:10,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 21:26:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 21:26:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:26:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 21:26:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:26:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:26:11,294 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:26:11,294 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 21:26:11,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:26:11 BoogieIcfgContainer [2019-11-28 21:26:11,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:26:11,296 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:26:11,299 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:26:11,304 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:26:11,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:26:11,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:26:10" (1/3) ... [2019-11-28 21:26:11,310 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef4779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:26:11, skipping insertion in model container [2019-11-28 21:26:11,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:26:11,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:26:10" (2/3) ... [2019-11-28 21:26:11,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ef4779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:26:11, skipping insertion in model container [2019-11-28 21:26:11,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:26:11,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:26:11" (3/3) ... [2019-11-28 21:26:11,316 INFO L371 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-1.i [2019-11-28 21:26:11,364 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:26:11,364 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:26:11,365 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:26:11,365 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:26:11,365 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:26:11,365 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:26:11,365 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:26:11,365 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:26:11,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 21:26:11,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 21:26:11,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:26:11,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:26:11,403 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 21:26:11,403 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:26:11,403 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:26:11,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 21:26:11,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 21:26:11,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:26:11,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:26:11,406 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 21:26:11,406 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:26:11,414 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 3#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L526-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 14#L531-3true [2019-11-28 21:26:11,414 INFO L796 eck$LassoCheckResult]: Loop: 14#L531-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 13#L531-2true main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 14#L531-3true [2019-11-28 21:26:11,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:11,421 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-28 21:26:11,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:11,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802111078] [2019-11-28 21:26:11,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,551 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:11,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-28 21:26:11,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:11,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105760879] [2019-11-28 21:26:11,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,572 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:11,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:11,574 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-28 21:26:11,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:11,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743635754] [2019-11-28 21:26:11,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:11,613 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:11,826 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-28 21:26:11,883 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:26:11,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:26:11,884 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:26:11,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:26:11,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:26:11,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:11,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:26:11,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:26:11,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration1_Lasso [2019-11-28 21:26:11,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:26:11,886 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:26:11,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:11,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:11,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:11,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:11,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:11,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:12,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:12,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:12,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:12,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:12,358 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:26:12,363 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:12,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:12,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:12,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:12,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:12,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:12,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:12,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:26:12,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:12,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:12,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:12,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:12,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:12,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:12,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:12,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:12,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:12,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:26:12,638 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-28 21:26:12,639 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:12,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:12,662 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 21:26:12,663 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:26:12,664 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1) = -4*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2019-11-28 21:26:12,682 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 21:26:12,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 21:26:12,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:26:12,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 21:26:12,750 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:26:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:26:12,770 WARN L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 21:26:12,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:26:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:26:12,813 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 21:26:12,815 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-11-28 21:26:12,900 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 29 states and 39 transitions. Complement of second has 8 states. [2019-11-28 21:26:12,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 21:26:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 21:26:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-11-28 21:26:12,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 21:26:12,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:12,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 21:26:12,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:12,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 21:26:12,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:12,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 39 transitions. [2019-11-28 21:26:12,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:26:12,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 10 states and 13 transitions. [2019-11-28 21:26:12,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 21:26:12,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 21:26:12,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-11-28 21:26:12,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:26:12,919 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 21:26:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-11-28 21:26:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-28 21:26:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 21:26:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-28 21:26:12,948 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 21:26:12,948 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 21:26:12,948 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:26:12,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-28 21:26:12,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:26:12,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:26:12,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:26:12,950 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:26:12,950 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:26:12,951 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 110#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 111#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 112#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 116#L531-3 assume !(main_~i~1 < main_~array_size~0); 119#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 114#L517-3 [2019-11-28 21:26:12,951 INFO L796 eck$LassoCheckResult]: Loop: 114#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 113#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 114#L517-3 [2019-11-28 21:26:12,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:12,952 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-28 21:26:12,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:12,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756124931] [2019-11-28 21:26:12,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:26:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:26:13,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756124931] [2019-11-28 21:26:13,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:26:13,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 21:26:13,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756615771] [2019-11-28 21:26:13,077 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 21:26:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:13,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2019-11-28 21:26:13,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:13,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067738190] [2019-11-28 21:26:13,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:13,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:26:13,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 21:26:13,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 21:26:13,167 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 21:26:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:26:13,200 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-11-28 21:26:13,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 21:26:13,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2019-11-28 21:26:13,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:26:13,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2019-11-28 21:26:13,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 21:26:13,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 21:26:13,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2019-11-28 21:26:13,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:26:13,207 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-11-28 21:26:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2019-11-28 21:26:13,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-28 21:26:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 21:26:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-11-28 21:26:13,209 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-28 21:26:13,209 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-28 21:26:13,209 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:26:13,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2019-11-28 21:26:13,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:26:13,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:26:13,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:26:13,213 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:26:13,213 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:26:13,213 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 139#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 144#L531-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 145#L531-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 146#L531-3 assume !(main_~i~1 < main_~array_size~0); 147#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 142#L517-3 [2019-11-28 21:26:13,213 INFO L796 eck$LassoCheckResult]: Loop: 142#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 141#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 142#L517-3 [2019-11-28 21:26:13,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:13,214 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-28 21:26:13,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:13,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121355064] [2019-11-28 21:26:13,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:13,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2019-11-28 21:26:13,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:13,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732690263] [2019-11-28 21:26:13,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,310 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2019-11-28 21:26:13,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:26:13,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686260261] [2019-11-28 21:26:13,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:26:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:26:13,409 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:26:13,657 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-11-28 21:26:13,749 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:26:13,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:26:13,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:26:13,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:26:13,750 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:26:13,750 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:13,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:26:13,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:26:13,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration3_Lasso [2019-11-28 21:26:13,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:26:13,751 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:26:13,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:13,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:26:14,297 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:26:14,297 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:14,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:14,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:26:14,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:14,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:14,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:26:14,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:14,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:14,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:26:14,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:14,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:14,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:26:14,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:26:14,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:26:14,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:14,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:14,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:14,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:26:14,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:26:14,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:26:14,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:26:14,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:26:14,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:26:14,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:26:14,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:26:14,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:26:14,519 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 21:26:14,519 INFO L444 ModelExtractionUtils]: 31 out of 40 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:26:14,540 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:26:14,547 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 21:26:14,547 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:26:14,548 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 21:26:14,557 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 21:26:14,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:26:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:26:14,608 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 21:26:14,609 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:26:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:26:14,618 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:26:14,619 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:26:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:26:14,630 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 21:26:14,630 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-28 21:26:14,649 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 12 states and 15 transitions. Complement of second has 4 states. [2019-11-28 21:26:14,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 21:26:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 21:26:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2019-11-28 21:26:14,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 21:26:14,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:14,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 21:26:14,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:14,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 21:26:14,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:26:14,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2019-11-28 21:26:14,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:26:14,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-28 21:26:14,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 21:26:14,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 21:26:14,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 21:26:14,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:26:14,654 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:26:14,654 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:26:14,654 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:26:14,654 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 21:26:14,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 21:26:14,655 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:26:14,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 21:26:14,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:26:14 BoogieIcfgContainer [2019-11-28 21:26:14,664 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:26:14,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:26:14,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:26:14,666 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:26:14,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:26:11" (3/4) ... [2019-11-28 21:26:14,671 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 21:26:14,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:26:14,674 INFO L168 Benchmark]: Toolchain (without parser) took 4416.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-11-28 21:26:14,675 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:26:14,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:26:14,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.63 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 21:26:14,682 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:26:14,683 INFO L168 Benchmark]: RCFGBuilder took 334.81 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:26:14,684 INFO L168 Benchmark]: BuchiAutomizer took 3368.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2019-11-28 21:26:14,684 INFO L168 Benchmark]: Witness Printer took 5.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:26:14,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 627.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.63 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.81 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3368.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] and consists of 5 locations. One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 28 SDslu, 9 SDs, 0 SdLazy, 30 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital123 mio100 ax114 hnf98 lsp82 ukn78 mio100 lsp64 div100 bol100 ite100 ukn100 eq174 hnf91 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...