./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/array01-alloca-1.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 10c50c605d9fb7cd886e3d668ba568a2b619230b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:45:36,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:45:36,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:45:36,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:45:36,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:45:36,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:45:36,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:45:36,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:45:36,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:45:36,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:45:36,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:45:36,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:45:36,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:45:36,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:45:36,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:45:36,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:45:36,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:45:36,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:45:36,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:45:36,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:45:36,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:45:36,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:45:36,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:45:36,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:45:36,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:45:36,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:45:36,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:45:36,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:45:36,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:45:36,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:45:36,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:45:36,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:45:36,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:45:36,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:45:36,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:45:36,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:45:36,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:45:36,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:45:36,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:45:36,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:45:36,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:45:36,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:45:37,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:45:37,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:45:37,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:45:37,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:45:37,025 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:45:37,025 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:45:37,025 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:45:37,025 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:45:37,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:45:37,026 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:45:37,026 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:45:37,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:45:37,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:45:37,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:45:37,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:45:37,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:45:37,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:45:37,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:45:37,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:45:37,029 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:45:37,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:45:37,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:45:37,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:45:37,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:45:37,030 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:45:37,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:45:37,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:45:37,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:45:37,033 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:45:37,034 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:45:37,034 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 -> 10c50c605d9fb7cd886e3d668ba568a2b619230b [2020-10-19 18:45:37,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:45:37,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:45:37,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:45:37,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:45:37,356 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:45:37,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2020-10-19 18:45:37,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a5c9f39/3392949853b74e598c64d73b8149c537/FLAG8311349e9 [2020-10-19 18:45:37,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:45:37,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2020-10-19 18:45:37,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a5c9f39/3392949853b74e598c64d73b8149c537/FLAG8311349e9 [2020-10-19 18:45:38,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a5c9f39/3392949853b74e598c64d73b8149c537 [2020-10-19 18:45:38,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:45:38,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:45:38,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:38,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:45:38,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:45:38,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d5893f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38, skipping insertion in model container [2020-10-19 18:45:38,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:45:38,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:45:38,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:38,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:45:38,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:38,787 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:45:38,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38 WrapperNode [2020-10-19 18:45:38,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:38,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:38,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:45:38,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:45:38,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:38,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:45:38,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:45:38,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:45:38,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (1/1) ... [2020-10-19 18:45:38,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:45:38,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:45:38,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:45:38,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:45:38,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (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 [2020-10-19 18:45:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:45:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:45:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:45:39,234 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:45:39,234 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-19 18:45:39,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:39 BoogieIcfgContainer [2020-10-19 18:45:39,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:45:39,237 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:45:39,237 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:45:39,240 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:45:39,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:39,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:45:38" (1/3) ... [2020-10-19 18:45:39,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13860a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:39, skipping insertion in model container [2020-10-19 18:45:39,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:39,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:38" (2/3) ... [2020-10-19 18:45:39,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13860a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:39, skipping insertion in model container [2020-10-19 18:45:39,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:39,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:39" (3/3) ... [2020-10-19 18:45:39,244 INFO L373 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2020-10-19 18:45:39,287 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:45:39,287 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:45:39,288 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:45:39,288 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:45:39,288 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:45:39,288 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:45:39,288 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:45:39,288 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:45:39,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:45:39,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:39,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:39,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:39,327 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:45:39,328 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:45:39,328 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:45:39,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:45:39,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:39,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:39,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:39,330 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:45:39,330 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:45:39,338 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L561true assume !(main_~array_size~0 < 1); 14#L561-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 3#L551-3true [2020-10-19 18:45:39,338 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true assume !!(test_fun_~i~0 < test_fun_~N); 12#L552-3true assume !true; 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 3#L551-3true [2020-10-19 18:45:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-19 18:45:39,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:39,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671470064] [2020-10-19 18:45:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,487 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2020-10-19 18:45:39,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:39,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695939363] [2020-10-19 18:45:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:39,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695939363] [2020-10-19 18:45:39,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:45:39,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 18:45:39,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672543036] [2020-10-19 18:45:39,532 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:45:39,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:45:39,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 18:45:39,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 18:45:39,550 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2020-10-19 18:45:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:45:39,558 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2020-10-19 18:45:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 18:45:39,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2020-10-19 18:45:39,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:39,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2020-10-19 18:45:39,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-19 18:45:39,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-19 18:45:39,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2020-10-19 18:45:39,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:39,574 INFO L691 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 18:45:39,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2020-10-19 18:45:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-19 18:45:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 18:45:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-10-19 18:45:39,603 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 18:45:39,603 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 18:45:39,603 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:45:39,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-10-19 18:45:39,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:39,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:39,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:39,605 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:45:39,605 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:39,605 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L561 assume !(main_~array_size~0 < 1); 41#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 36#L551-3 [2020-10-19 18:45:39,606 INFO L796 eck$LassoCheckResult]: Loop: 36#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 37#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 39#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 40#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 36#L551-3 [2020-10-19 18:45:39,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:39,606 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2020-10-19 18:45:39,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:39,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966546786] [2020-10-19 18:45:39,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,661 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:39,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:39,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2020-10-19 18:45:39,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:39,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402138] [2020-10-19 18:45:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,678 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:39,679 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2020-10-19 18:45:39,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:39,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051883735] [2020-10-19 18:45:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:39,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:39,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:39,922 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-19 18:45:39,997 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:39,998 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:39,998 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:39,998 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:39,999 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:39,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:39,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:39,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:39,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration2_Lasso [2020-10-19 18:45:40,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:40,000 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:40,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,166 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-19 18:45:40,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:40,596 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:40,601 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) [2020-10-19 18:45:40,615 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 [2020-10-19 18:45:40,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:40,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:40,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:40,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:40,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:40,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:40,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:40,724 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 18:45:40,724 INFO L444 ModelExtractionUtils]: 18 out of 34 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:40,738 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:40,749 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 18:45:40,751 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:40,751 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1, ULTIMATE.start_test_fun_~i~0) = 1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 4*ULTIMATE.start_test_fun_~i~0 Supporting invariants [1*ULTIMATE.start_test_fun_~a.offset >= 0] [2020-10-19 18:45:40,799 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 18:45:40,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 18:45:40,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:40,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 18:45:40,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:40,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:45:40,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:40,906 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 [2020-10-19 18:45:40,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-10-19 18:45:40,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 14 states and 18 transitions. Complement of second has 6 states. [2020-10-19 18:45:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:45:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-19 18:45:40,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-19 18:45:40,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:40,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-19 18:45:40,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:40,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 8 letters. [2020-10-19 18:45:40,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:40,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2020-10-19 18:45:40,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:40,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 17 transitions. [2020-10-19 18:45:40,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 18:45:40,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-19 18:45:40,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2020-10-19 18:45:40,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:45:40,984 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-10-19 18:45:40,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2020-10-19 18:45:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2020-10-19 18:45:40,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-19 18:45:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-10-19 18:45:40,987 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-10-19 18:45:40,987 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-10-19 18:45:40,987 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:45:40,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2020-10-19 18:45:40,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:40,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:40,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:40,989 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:45:40,989 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:45:40,990 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 124#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 125#L561 assume !(main_~array_size~0 < 1); 134#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 126#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 128#L552-3 [2020-10-19 18:45:40,990 INFO L796 eck$LassoCheckResult]: Loop: 128#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 131#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 128#L552-3 [2020-10-19 18:45:40,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:40,991 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2020-10-19 18:45:40,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:40,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127953921] [2020-10-19 18:45:40,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,015 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:41,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:41,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2020-10-19 18:45:41,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:41,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184404696] [2020-10-19 18:45:41,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:41,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2020-10-19 18:45:41,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:41,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091779358] [2020-10-19 18:45:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,047 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:41,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:41,066 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:41,228 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-10-19 18:45:41,278 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:41,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:41,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:41,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:41,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:41,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:41,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:41,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:41,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2020-10-19 18:45:41,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:41,279 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:41,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:41,779 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:41,780 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:41,785 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 [2020-10-19 18:45:41,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:41,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:41,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:41,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:41,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:41,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:41,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:41,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:41,829 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 [2020-10-19 18:45:41,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:41,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:41,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:41,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:41,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:41,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:41,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:41,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:41,862 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 18:45:41,862 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:41,905 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:45:41,905 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 18:45:41,906 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:41,906 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2020-10-19 18:45:41,982 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-19 18:45:41,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:42,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:42,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:42,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:45:42,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:42,028 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 [2020-10-19 18:45:42,029 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-10-19 18:45:42,044 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 7 states. [2020-10-19 18:45:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:45:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-10-19 18:45:42,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-19 18:45:42,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:42,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-19 18:45:42,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:42,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-19 18:45:42,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:42,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2020-10-19 18:45:42,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:42,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2020-10-19 18:45:42,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 18:45:42,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-10-19 18:45:42,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2020-10-19 18:45:42,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:45:42,049 INFO L691 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-10-19 18:45:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2020-10-19 18:45:42,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-10-19 18:45:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-19 18:45:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2020-10-19 18:45:42,052 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-10-19 18:45:42,052 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-10-19 18:45:42,053 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 18:45:42,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2020-10-19 18:45:42,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:45:42,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:42,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:42,054 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:45:42,054 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:45:42,055 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 217#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 218#L561 assume !(main_~array_size~0 < 1); 223#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 212#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 213#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 221#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 222#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 214#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 215#L552-3 [2020-10-19 18:45:42,055 INFO L796 eck$LassoCheckResult]: Loop: 215#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 220#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 215#L552-3 [2020-10-19 18:45:42,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:42,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2020-10-19 18:45:42,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:42,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491092756] [2020-10-19 18:45:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,081 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:42,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2020-10-19 18:45:42,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:42,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832340380] [2020-10-19 18:45:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,093 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:42,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2020-10-19 18:45:42,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:42,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794042684] [2020-10-19 18:45:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:42,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:42,136 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:42,328 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-10-19 18:45:42,382 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:42,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:42,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:42,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:42,383 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:42,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:42,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:42,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:42,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration4_Lasso [2020-10-19 18:45:42,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:42,383 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:42,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:42,822 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:42,822 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-19 18:45:42,834 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 [2020-10-19 18:45:42,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:42,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:42,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:42,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:42,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:42,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:42,838 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 [2020-10-19 18:45:42,840 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 [2020-10-19 18:45:42,877 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 [2020-10-19 18:45:42,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:42,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:42,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:42,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:42,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:42,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:42,885 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 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:42,927 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 [2020-10-19 18:45:42,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:42,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:42,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:42,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:42,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:42,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:42,940 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:42,987 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 [2020-10-19 18:45:42,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:42,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:42,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:42,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:42,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:42,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:42,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,046 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 [2020-10-19 18:45:43,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,101 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 [2020-10-19 18:45:43,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,151 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 [2020-10-19 18:45:43,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,209 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 [2020-10-19 18:45:43,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,268 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 [2020-10-19 18:45:43,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,312 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 [2020-10-19 18:45:43,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,351 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 [2020-10-19 18:45:43,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,356 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,379 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 [2020-10-19 18:45:43,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,383 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 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,411 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 [2020-10-19 18:45:43,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,416 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,442 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 [2020-10-19 18:45:43,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,445 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,470 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 [2020-10-19 18:45:43,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:43,479 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 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,504 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 [2020-10-19 18:45:43,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:43,524 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,559 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 [2020-10-19 18:45:43,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:43,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,601 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 [2020-10-19 18:45:43,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:43,627 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:43,661 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 [2020-10-19 18:45:43,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:43,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,675 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,706 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 [2020-10-19 18:45:43,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:43,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:43,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:43,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:43,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:43,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:43,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:43,710 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:43,714 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 18:45:43,714 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:43,717 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:45:43,717 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 18:45:43,717 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:43,718 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2020-10-19 18:45:43,753 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 18:45:43,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:43,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:43,816 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 [2020-10-19 18:45:43,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-10-19 18:45:43,833 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2020-10-19 18:45:43,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:45:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-10-19 18:45:43,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 18:45:43,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:43,834 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 18:45:43,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:43,877 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:45:43,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-10-19 18:45:43,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2020-10-19 18:45:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:45:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-10-19 18:45:43,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 18:45:43,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:43,896 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 18:45:43,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:43,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:45:43,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:43,941 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:45:43,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-10-19 18:45:43,959 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 6 states. [2020-10-19 18:45:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:45:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-10-19 18:45:43,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 18:45:43,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:43,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-19 18:45:43,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:43,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-19 18:45:43,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:43,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2020-10-19 18:45:43,965 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:43,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2020-10-19 18:45:43,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:45:43,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:45:43,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:45:43,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:43,966 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:43,966 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:43,966 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:43,966 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 18:45:43,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:45:43,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:43,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:45:43,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:45:43 BoogieIcfgContainer [2020-10-19 18:45:43,974 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:45:43,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:45:43,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:45:43,975 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:45:43,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:39" (3/4) ... [2020-10-19 18:45:43,979 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:45:43,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:45:43,982 INFO L168 Benchmark]: Toolchain (without parser) took 5712.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 950.6 MB in the beginning and 872.9 MB in the end (delta: 77.6 MB). Peak memory consumption was 297.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:43,982 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 974.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:43,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:43,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.72 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. [2020-10-19 18:45:43,985 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:43,985 INFO L168 Benchmark]: RCFGBuilder took 378.18 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:43,986 INFO L168 Benchmark]: BuchiAutomizer took 4737.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 872.9 MB in the end (delta: 228.0 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:43,987 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 872.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:43,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 974.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.72 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. * Boogie Preprocessor took 25.94 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.18 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4737.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 872.9 MB in the end (delta: 228.0 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 872.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 37 SDslu, 1 SDs, 0 SdLazy, 45 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax113 hnf99 lsp79 ukn81 mio100 lsp57 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 148ms VariablesStem: 10 VariablesLoop: 6 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...