./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/a.05-alloca.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 5313d851fadec6c1d632e24c5024506d6d98176e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:33:10,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:33:10,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:33:10,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:33:10,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:33:10,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:33:10,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:33:10,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:33:10,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:33:10,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:33:10,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:33:10,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:33:10,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:33:10,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:33:10,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:33:10,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:33:10,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:33:10,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:33:10,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:33:10,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:33:10,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:33:11,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:33:11,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:33:11,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:33:11,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:33:11,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:33:11,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:33:11,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:33:11,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:33:11,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:33:11,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:33:11,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:33:11,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:33:11,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:33:11,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:33:11,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:33:11,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:33:11,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:33:11,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:33:11,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:33:11,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:33:11,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:33:11,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:33:11,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:33:11,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:33:11,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:33:11,041 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:33:11,041 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:33:11,041 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:33:11,042 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:33:11,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:33:11,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:33:11,042 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:33:11,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:33:11,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:33:11,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:33:11,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:33:11,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:33:11,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:33:11,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:33:11,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:33:11,045 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:33:11,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:33:11,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:33:11,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:33:11,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:33:11,047 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:33:11,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:33:11,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:33:11,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:33:11,048 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:33:11,049 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:33:11,049 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 -> 5313d851fadec6c1d632e24c5024506d6d98176e [2019-11-28 20:33:11,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:33:11,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:33:11,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:33:11,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:33:11,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:33:11,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2019-11-28 20:33:11,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252da1763/392dff609165414b9e7a2e0af338e487/FLAGb84365353 [2019-11-28 20:33:12,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:33:12,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2019-11-28 20:33:12,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252da1763/392dff609165414b9e7a2e0af338e487/FLAGb84365353 [2019-11-28 20:33:12,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252da1763/392dff609165414b9e7a2e0af338e487 [2019-11-28 20:33:12,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:33:12,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:33:12,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:12,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:33:12,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:33:12,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64120b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12, skipping insertion in model container [2019-11-28 20:33:12,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:33:12,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:33:12,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:12,793 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:33:12,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:12,927 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:33:12,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12 WrapperNode [2019-11-28 20:33:12,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:12,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:12,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:33:12,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:33:12,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:12,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:33:12,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:33:12,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:33:12,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:12,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:13,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:13,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:13,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (1/1) ... [2019-11-28 20:33:13,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:33:13,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:33:13,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:33:13,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:33:13,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (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 20:33:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:33:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:33:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:33:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:33:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:33:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:33:13,353 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:33:13,354 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:33:13,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:13 BoogieIcfgContainer [2019-11-28 20:33:13,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:33:13,356 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:33:13,356 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:33:13,363 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:33:13,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:13,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:33:12" (1/3) ... [2019-11-28 20:33:13,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b529c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:13, skipping insertion in model container [2019-11-28 20:33:13,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:13,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:12" (2/3) ... [2019-11-28 20:33:13,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b529c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:13, skipping insertion in model container [2019-11-28 20:33:13,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:13,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:13" (3/3) ... [2019-11-28 20:33:13,372 INFO L371 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2019-11-28 20:33:13,417 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:33:13,418 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:33:13,418 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:33:13,418 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:33:13,418 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:33:13,418 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:33:13,418 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:33:13,419 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:33:13,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 20:33:13,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:33:13,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:13,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:13,457 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:13,457 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:33:13,457 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:33:13,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 20:33:13,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:33:13,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:13,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:13,459 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:13,459 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:33:13,467 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem10, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L555-5true [2019-11-28 20:33:13,467 INFO L796 eck$LassoCheckResult]: Loop: 9#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 < 2147483647; 12#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 >= 1 + test_fun_#t~mem6; 6#L555-3true assume !!test_fun_#t~short8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~short8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L555-5true [2019-11-28 20:33:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:33:13,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:13,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785763797] [2019-11-28 20:33:13,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:13,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:13,651 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2019-11-28 20:33:13,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:13,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423737166] [2019-11-28 20:33:13,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,682 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2019-11-28 20:33:13,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:13,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124156001] [2019-11-28 20:33:13,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:13,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:14,031 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-11-28 20:33:14,589 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-11-28 20:33:14,775 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-28 20:33:14,790 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:14,791 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:14,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:14,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:14,792 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:14,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:14,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:14,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:14,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2019-11-28 20:33:14,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:14,793 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:14,819 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 20:33:14,831 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 20:33:14,834 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 20:33:14,836 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 20:33:14,839 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 20:33:14,844 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 20:33:14,847 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 20:33:15,221 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-11-28 20:33:15,343 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-28 20:33:15,344 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 20:33:15,348 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 20:33:15,352 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 20:33:15,356 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 20:33:15,358 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 20:33:15,363 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 20:33:15,366 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 20:33:15,370 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 20:33:15,961 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:15,966 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:15,978 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 20:33:15,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:15,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:15,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:15,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:15,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:15,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:15,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:15,990 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:16,002 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 20:33:16,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:16,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:16,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:16,016 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 20:33:16,034 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 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:16,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:16,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:16,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:16,040 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 20:33:16,052 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 20:33:16,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:16,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:16,055 INFO L402 nArgumentSynthesizer]: A total of 0 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 20:33:16,058 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 20:33:16,082 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:16,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:16,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:16,099 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:16,114 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 20:33:16,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:16,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:16,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:16,119 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:16,134 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 20:33:16,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:16,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:16,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:16,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:16,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:16,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:16,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:16,221 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-28 20:33:16,221 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 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 20:33:16,230 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 20:33:16,236 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:16,237 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:16,238 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2019-11-28 20:33:16,397 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-28 20:33:16,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:16,448 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:16,449 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:16,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:33:16,467 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:16,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:16,535 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 20:33:16,553 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:33:16,554 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-28 20:33:16,649 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 35 states and 38 transitions. Complement of second has 9 states. [2019-11-28 20:33:16,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:33:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:33:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-28 20:33:16,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 20:33:16,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:16,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 20:33:16,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:16,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 20:33:16,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:16,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2019-11-28 20:33:16,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:16,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-11-28 20:33:16,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:33:16,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:33:16,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:33:16,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:16,671 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:16,673 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:16,673 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:16,673 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:33:16,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:33:16,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:16,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:33:16,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:33:16 BoogieIcfgContainer [2019-11-28 20:33:16,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:33:16,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:33:16,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:33:16,684 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:33:16,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:13" (3/4) ... [2019-11-28 20:33:16,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:33:16,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:33:16,693 INFO L168 Benchmark]: Toolchain (without parser) took 4379.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,694 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 20:33:16,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,698 INFO L168 Benchmark]: Boogie Preprocessor took 27.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,700 INFO L168 Benchmark]: RCFGBuilder took 346.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,708 INFO L168 Benchmark]: BuchiAutomizer took 3325.81 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:16,708 INFO L168 Benchmark]: Witness Printer took 5.79 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 20:33:16,720 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 616.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 346.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3325.81 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.79 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 #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 6 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax106 hnf100 lsp91 ukn62 mio100 lsp36 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms 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...