./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/b.06-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d436f9bf6df44883ea10fac4397136e5a572f5c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:38:56,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:38:56,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:38:56,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:38:56,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:38:56,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:38:56,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:38:56,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:38:56,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:38:56,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:38:56,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:38:56,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:38:56,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:38:56,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:38:56,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:38:56,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:38:56,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:38:56,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:38:56,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:38:56,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:38:56,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:38:56,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:38:56,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:38:56,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:38:56,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:38:56,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:38:56,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:38:56,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:38:56,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:38:56,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:38:56,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:38:56,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:38:56,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:38:56,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:38:56,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:38:56,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:38:56,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:38:56,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:38:56,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:38:56,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:38:56,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:38:56,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:38:57,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:38:57,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:38:57,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:38:57,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:38:57,030 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:38:57,031 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:38:57,031 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:38:57,031 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:38:57,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:38:57,032 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:38:57,033 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:38:57,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:38:57,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:38:57,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:38:57,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:38:57,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:38:57,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:38:57,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:38:57,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:38:57,035 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:38:57,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:38:57,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:38:57,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:38:57,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:38:57,037 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:38:57,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:38:57,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:38:57,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:38:57,038 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:38:57,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:38:57,039 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 -> 7d436f9bf6df44883ea10fac4397136e5a572f5c [2020-10-20 06:38:57,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:38:57,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:38:57,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:38:57,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:38:57,286 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:38:57,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.06-alloca.i [2020-10-20 06:38:57,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06b481829/d0bfd9bd3a1c4b57bbe0313107e695fd/FLAGa5a63b2ca [2020-10-20 06:38:57,918 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:38:57,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.06-alloca.i [2020-10-20 06:38:57,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06b481829/d0bfd9bd3a1c4b57bbe0313107e695fd/FLAGa5a63b2ca [2020-10-20 06:38:58,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06b481829/d0bfd9bd3a1c4b57bbe0313107e695fd [2020-10-20 06:38:58,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:38:58,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:38:58,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:58,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:38:58,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:38:58,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39edc1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58, skipping insertion in model container [2020-10-20 06:38:58,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:38:58,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:38:58,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:58,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:38:58,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:58,748 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:38:58,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58 WrapperNode [2020-10-20 06:38:58,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:58,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:58,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:38:58,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:38:58,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:58,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:38:58,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:38:58,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:38:58,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (1/1) ... [2020-10-20 06:38:58,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:38:58,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:38:58,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:38:58,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:38:58,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (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 [2020-10-20 06:38:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:38:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:38:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:38:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:38:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:38:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:38:59,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:38:59,193 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:38:59,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:59 BoogieIcfgContainer [2020-10-20 06:38:59,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:38:59,199 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:38:59,199 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:38:59,202 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:38:59,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:59,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:38:58" (1/3) ... [2020-10-20 06:38:59,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c98f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:59, skipping insertion in model container [2020-10-20 06:38:59,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:59,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:58" (2/3) ... [2020-10-20 06:38:59,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c98f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:59, skipping insertion in model container [2020-10-20 06:38:59,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:59,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:59" (3/3) ... [2020-10-20 06:38:59,212 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.06-alloca.i [2020-10-20 06:38:59,260 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:38:59,260 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:38:59,260 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:38:59,261 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:38:59,261 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:38:59,261 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:38:59,262 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:38:59,262 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:38:59,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:59,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:59,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:59,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:59,301 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:59,301 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:59,301 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:38:59,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:59,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:59,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:59,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:59,303 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:59,304 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:59,311 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 8#L555-5true [2020-10-20 06:38:59,311 INFO L796 eck$LassoCheckResult]: Loop: 8#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 12#L555-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 6#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem5;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~c~0.base, test_fun_~c~0.offset, 4);call write~int(1 + test_fun_#t~mem10, test_fun_~c~0.base, test_fun_~c~0.offset, 4);havoc test_fun_#t~mem10; 8#L555-5true [2020-10-20 06:38:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:38:59,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:59,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581577441] [2020-10-20 06:38:59,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:59,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:59,517 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2020-10-20 06:38:59,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:59,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360329327] [2020-10-20 06:38:59,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,565 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:59,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:59,567 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2020-10-20 06:38:59,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:59,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333062636] [2020-10-20 06:38:59,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:59,679 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:59,691 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:59,942 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-20 06:39:00,490 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2020-10-20 06:39:00,698 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-20 06:39:00,719 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:00,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:00,721 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:00,721 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:00,721 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:00,722 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:00,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:00,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.06-alloca.i_Iteration1_Lasso [2020-10-20 06:39:00,723 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:00,723 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:00,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:00,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,165 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-20 06:39:01,309 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-20 06:39:01,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:01,612 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-10-20 06:39:01,951 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:01,956 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:01,962 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 [2020-10-20 06:39:01,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:01,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:01,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:01,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:01,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:01,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:01,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:01,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,012 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 [2020-10-20 06:39:02,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:02,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:02,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:02,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:02,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:02,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:02,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:02,059 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 [2020-10-20 06:39:02,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:02,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:02,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:02,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:02,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,117 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 [2020-10-20 06:39:02,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:02,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:02,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:02,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,150 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 [2020-10-20 06:39:02,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:02,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:02,159 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 [2020-10-20 06:39:02,181 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 [2020-10-20 06:39:02,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:02,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:02,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:02,186 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 [2020-10-20 06:39:02,221 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 [2020-10-20 06:39:02,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:02,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:02,238 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) [2020-10-20 06:39:02,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:02,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:02,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,331 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 [2020-10-20 06:39:02,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:02,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:02,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:02,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:02,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:02,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:02,354 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:02,372 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-20 06:39:02,373 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:02,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:02,388 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:02,388 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:02,389 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-10-20 06:39:02,598 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-10-20 06:39:02,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:02,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:02,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:39:02,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:02,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:39:02,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:02,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:02,787 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:39:02,788 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2020-10-20 06:39:02,885 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 23 states and 27 transitions. Complement of second has 10 states. [2020-10-20 06:39:02,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:39:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2020-10-20 06:39:02,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 2 letters. Loop has 3 letters. [2020-10-20 06:39:02,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:02,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-20 06:39:02,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:02,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. [2020-10-20 06:39:02,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:02,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 27 transitions. [2020-10-20 06:39:02,914 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:02,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-10-20 06:39:02,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:39:02,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:39:02,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:39:02,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:39:02,920 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:02,920 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:02,920 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:02,920 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:39:02,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:39:02,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:02,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:39:02,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:39:02 BoogieIcfgContainer [2020-10-20 06:39:02,928 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:39:02,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:39:02,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:39:02,929 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:39:02,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:59" (3/4) ... [2020-10-20 06:39:02,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:39:02,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:39:02,936 INFO L168 Benchmark]: Toolchain (without parser) took 4697.52 ms. Allocated memory was 36.2 MB in the beginning and 66.6 MB in the end (delta: 30.4 MB). Free memory was 18.3 MB in the beginning and 44.8 MB in the end (delta: -26.5 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,936 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 33.6 MB. Free memory was 11.8 MB in the beginning and 11.7 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.05 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 17.4 MB in the beginning and 15.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.27 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 15.8 MB in the beginning and 28.3 MB in the end (delta: -12.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,939 INFO L168 Benchmark]: Boogie Preprocessor took 26.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 26.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,940 INFO L168 Benchmark]: RCFGBuilder took 366.60 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 1.0 kB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,941 INFO L168 Benchmark]: BuchiAutomizer took 3729.53 ms. Allocated memory was 46.1 MB in the beginning and 66.6 MB in the end (delta: 20.4 MB). Free memory was 26.7 MB in the beginning and 44.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,943 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 66.6 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:02,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 33.6 MB. Free memory was 11.8 MB in the beginning and 11.7 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 505.05 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 17.4 MB in the beginning and 15.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 55.27 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 15.8 MB in the beginning and 28.3 MB in the end (delta: -12.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 26.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 366.60 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 1.0 kB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3729.53 ms. Allocated memory was 46.1 MB in the beginning and 66.6 MB in the end (delta: 20.4 MB). Free memory was 26.7 MB in the beginning and 44.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.18 ms. Allocated memory is still 66.6 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 14 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital436 mio100 ax104 hnf100 lsp93 ukn42 mio100 lsp38 div100 bol100 ite100 ukn100 eq179 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...