./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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/termination-memory-alloca/stroeder1-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 206fc0df1055f51a334aa0371a01a5320b241a2f ................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:02:23,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:02:23,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:02:23,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:02:23,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:02:23,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:02:23,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:02:23,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:02:23,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:02:23,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:02:23,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:02:23,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:02:23,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:02:23,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:02:23,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:02:23,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:02:23,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:02:23,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:02:23,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:02:23,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:02:23,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:02:23,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:02:23,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:02:23,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:02:23,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:02:23,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:02:23,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:02:23,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:02:23,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:02:23,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:02:23,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:02:23,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:02:23,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:02:23,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:02:23,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:02:23,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:02:23,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:02:23,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:02:23,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:02:23,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:02:23,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:02:23,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:02:23,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:02:23,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:02:23,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:02:23,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:02:23,944 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:02:23,945 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:02:23,945 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:02:23,945 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:02:23,945 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:02:23,945 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:02:23,946 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:02:23,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:02:23,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:02:23,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:02:23,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:02:23,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:02:23,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:02:23,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:02:23,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:02:23,949 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:02:23,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:02:23,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:02:23,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:02:23,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:02:23,950 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:02:23,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:02:23,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:02:23,951 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:02:23,952 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:02:23,952 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc0df1055f51a334aa0371a01a5320b241a2f [2019-11-28 03:02:24,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:02:24,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:02:24,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:02:24,308 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:02:24,309 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:02:24,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2019-11-28 03:02:24,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0939fbdc/a1371fae2c8744ffa1a4f8c5aaa01a92/FLAG977dc31f9 [2019-11-28 03:02:24,876 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:02:24,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2019-11-28 03:02:24,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0939fbdc/a1371fae2c8744ffa1a4f8c5aaa01a92/FLAG977dc31f9 [2019-11-28 03:02:25,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0939fbdc/a1371fae2c8744ffa1a4f8c5aaa01a92 [2019-11-28 03:02:25,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:02:25,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:02:25,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:25,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:02:25,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:02:25,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25, skipping insertion in model container [2019-11-28 03:02:25,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:02:25,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:02:25,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:25,688 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:02:25,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:25,795 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:02:25,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25 WrapperNode [2019-11-28 03:02:25,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:25,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:25,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:02:25,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:02:25,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:25,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:02:25,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:02:25,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:02:25,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2019-11-28 03:02:25,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:02:25,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:02:25,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:02:25,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:02:25,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (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 03:02:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:02:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:02:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:02:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:02:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:02:26,210 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:02:26,211 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:02:26,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:26 BoogieIcfgContainer [2019-11-28 03:02:26,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:02:26,212 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:02:26,212 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:02:26,215 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:02:26,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:26,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:02:25" (1/3) ... [2019-11-28 03:02:26,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ab30448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:26, skipping insertion in model container [2019-11-28 03:02:26,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:26,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (2/3) ... [2019-11-28 03:02:26,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ab30448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:26, skipping insertion in model container [2019-11-28 03:02:26,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:26,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:26" (3/3) ... [2019-11-28 03:02:26,220 INFO L371 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-2.i [2019-11-28 03:02:26,259 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:02:26,259 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:02:26,259 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:02:26,260 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:02:26,260 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:02:26,260 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:02:26,260 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:02:26,260 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:02:26,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:02:26,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:26,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:26,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:26,297 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:02:26,297 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:26,297 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:02:26,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:02:26,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:26,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:26,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:26,299 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:02:26,300 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:26,306 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L561true assume !(main_~array_size~0 < 1); 13#L561-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 11#L552-3true [2019-11-28 03:02:26,306 INFO L796 eck$LassoCheckResult]: Loop: 11#L552-3true 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; 9#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 11#L552-3true [2019-11-28 03:02:26,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:26,311 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-28 03:02:26,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:26,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364476768] [2019-11-28 03:02:26,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:26,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:26,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-28 03:02:26,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:26,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832049557] [2019-11-28 03:02:26,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,459 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:26,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:26,463 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-28 03:02:26,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:26,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689333786] [2019-11-28 03:02:26,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:26,550 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:26,786 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-28 03:02:26,868 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:26,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:26,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:26,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:26,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:26,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:26,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:26,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:26,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-2.i_Iteration1_Lasso [2019-11-28 03:02:26,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:26,872 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:26,907 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 03:02:26,915 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 03:02:26,918 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 03:02:26,922 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 03:02:26,926 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 03:02:26,930 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 03:02:26,935 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 03:02:27,040 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 03:02:27,045 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 03:02:27,048 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 03:02:27,051 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 03:02:27,055 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 03:02:27,406 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:27,411 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 03:02:27,418 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 03:02:27,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:27,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:27,426 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 03:02:27,432 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 03:02:27,447 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 03:02:27,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:27,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:27,454 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 03:02:27,457 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 03:02:27,471 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 03:02:27,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:27,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:27,478 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 03:02:27,482 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) [2019-11-28 03:02:27,496 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 03:02:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:27,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:27,511 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 03:02:27,523 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 03:02:27,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:27,530 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 03:02:27,536 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 03:02:27,549 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 03:02:27,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:27,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:27,556 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 03:02:27,561 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 03:02:27,583 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 03:02:27,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:27,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:27,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:27,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:27,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:27,603 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 03:02:27,622 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:27,665 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:02:27,665 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 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 03:02:27,728 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 03:02:27,732 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:02:27,733 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:27,733 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 (8)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:02:27,754 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 03:02:27,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:27,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:02:27,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:27,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:02:27,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:27,851 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 03:02:27,869 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 03:02:27,870 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-28 03:02:27,919 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 7 states. [2019-11-28 03:02:27,920 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 03:02:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:02:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-11-28 03:02:27,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 03:02:27,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:27,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:02:27,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:27,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 03:02:27,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:27,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2019-11-28 03:02:27,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:27,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-11-28 03:02:27,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:02:27,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:02:27,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:02:27,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:02:27,937 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:27,937 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:27,937 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:27,937 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:02:27,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:02:27,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:27,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:02:27,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:02:27 BoogieIcfgContainer [2019-11-28 03:02:27,945 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:02:27,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:02:27,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:02:27,946 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:02:27,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:26" (3/4) ... [2019-11-28 03:02:27,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:02:27,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:02:27,952 INFO L168 Benchmark]: Toolchain (without parser) took 2738.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 961.7 MB in the beginning and 898.9 MB in the end (delta: 62.8 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:27,953 INFO L168 Benchmark]: CDTParser took 0.28 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 03:02:27,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:27,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 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 03:02:27,956 INFO L168 Benchmark]: Boogie Preprocessor took 22.59 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 03:02:27,957 INFO L168 Benchmark]: RCFGBuilder took 348.17 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:27,958 INFO L168 Benchmark]: BuchiAutomizer took 1732.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 197.1 MB). Peak memory consumption was 197.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:27,959 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 898.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:27,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 583.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.25 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 22.59 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 348.17 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1732.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 197.1 MB). Peak memory consumption was 197.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 898.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital119 mio100 ax115 hnf99 lsp82 ukn80 mio100 lsp61 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms 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...