./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b03f52438c8a4febc4c57e40202386008cb3a895 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:37:43,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:37:43,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:37:44,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:37:44,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:37:44,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:37:44,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:37:44,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:37:44,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:37:44,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:37:44,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:37:44,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:37:44,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:37:44,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:37:44,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:37:44,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:37:44,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:37:44,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:37:44,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:37:44,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:37:44,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:37:44,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:37:44,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:37:44,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:37:44,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:37:44,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:37:44,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:37:44,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:37:44,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:37:44,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:37:44,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:37:44,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:37:44,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:37:44,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:37:44,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:37:44,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:37:44,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:37:44,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:37:44,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:37:44,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:37:44,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:37:44,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:37:44,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:37:44,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:37:44,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:37:44,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:37:44,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:37:44,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:37:44,072 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:37:44,072 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:37:44,073 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:37:44,073 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:37:44,073 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:37:44,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:37:44,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:37:44,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:37:44,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:37:44,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:37:44,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:37:44,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:37:44,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:37:44,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:37:44,076 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:37:44,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:37:44,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:37:44,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:37:44,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:37:44,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:37:44,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:37:44,078 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:37:44,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:37:44,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:37:44,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:37:44,079 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:37:44,081 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:37:44,081 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03f52438c8a4febc4c57e40202386008cb3a895 [2019-11-28 20:37:44,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:37:44,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:37:44,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:37:44,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:37:44,437 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:37:44,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-11-28 20:37:44,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfaeb6001/4906a0f0ccc1480083d5e1a2348955a9/FLAGd901c1dd8 [2019-11-28 20:37:44,953 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:37:44,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-11-28 20:37:44,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfaeb6001/4906a0f0ccc1480083d5e1a2348955a9/FLAGd901c1dd8 [2019-11-28 20:37:45,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfaeb6001/4906a0f0ccc1480083d5e1a2348955a9 [2019-11-28 20:37:45,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:37:45,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:37:45,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:37:45,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:37:45,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:37:45,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cffb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45, skipping insertion in model container [2019-11-28 20:37:45,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:37:45,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:37:45,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:37:45,627 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:37:45,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:37:45,680 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:37:45,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45 WrapperNode [2019-11-28 20:37:45,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:37:45,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:37:45,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:37:45,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:37:45,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:37:45,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:37:45,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:37:45,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:37:45,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... [2019-11-28 20:37:45,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:37:45,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:37:45,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:37:45,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:37:45,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:37:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:37:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:37:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:37:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:37:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:37:46,104 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:37:46,105 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 20:37:46,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:46 BoogieIcfgContainer [2019-11-28 20:37:46,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:37:46,112 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:37:46,112 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:37:46,123 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:37:46,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:46,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:37:45" (1/3) ... [2019-11-28 20:37:46,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21ac7022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:46, skipping insertion in model container [2019-11-28 20:37:46,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:46,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:45" (2/3) ... [2019-11-28 20:37:46,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21ac7022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:46, skipping insertion in model container [2019-11-28 20:37:46,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:46,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:46" (3/3) ... [2019-11-28 20:37:46,141 INFO L371 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2019-11-28 20:37:46,213 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:37:46,213 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:37:46,214 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:37:46,214 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:37:46,214 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:37:46,214 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:37:46,215 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:37:46,215 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:37:46,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 20:37:46,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:37:46,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:46,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:46,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:37:46,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:37:46,273 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:37:46,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 20:37:46,274 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:37:46,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:46,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:46,275 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:37:46,275 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:37:46,282 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L7true assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 10#L12-2true [2019-11-28 20:37:46,282 INFO L796 eck$LassoCheckResult]: Loop: 10#L12-2true assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 10#L12-2true [2019-11-28 20:37:46,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:46,287 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-11-28 20:37:46,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:46,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104286928] [2019-11-28 20:37:46,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,425 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2019-11-28 20:37:46,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:46,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862805926] [2019-11-28 20:37:46,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,451 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:46,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:46,456 INFO L82 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2019-11-28 20:37:46,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:46,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946150401] [2019-11-28 20:37:46,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:46,510 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:46,777 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:37:46,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:37:46,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:37:46,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:37:46,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:37:46,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:46,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:37:46,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:37:46,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2019-11-28 20:37:46,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:37:46,780 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:37:46,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:46,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:46,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:46,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:46,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:46,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:47,112 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:37:47,117 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:47,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:47,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:47,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:47,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:47,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:47,166 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:47,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:47,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:47,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:47,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:47,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:47,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:47,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:47,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:47,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:47,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:47,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:47,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:47,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:47,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,323 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) [2019-11-28 20:37:47,337 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:47,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:47,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:47,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:47,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:47,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:47,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:37:47,386 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 20:37:47,387 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. 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) [2019-11-28 20:37:47,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:47,404 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:37:47,405 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:37:47,406 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_main_~i~0) = 1*~N~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-28 20:37:47,425 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 20:37:47,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:47,486 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:37:47,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:47,506 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:37:47,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:37:47,525 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:37:47,527 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 2 states. [2019-11-28 20:37:47,586 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 2 states. Result 30 states and 39 transitions. Complement of second has 6 states. [2019-11-28 20:37:47,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:37:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:37:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-28 20:37:47,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 20:37:47,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:47,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2019-11-28 20:37:47,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:47,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:37:47,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:47,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-28 20:37:47,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:37:47,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2019-11-28 20:37:47,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 20:37:47,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 20:37:47,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-11-28 20:37:47,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:37:47,620 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 20:37:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-11-28 20:37:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-28 20:37:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 20:37:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-28 20:37:47,654 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 20:37:47,654 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 20:37:47,654 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:37:47,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-28 20:37:47,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:37:47,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:47,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:47,658 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 20:37:47,658 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:37:47,659 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 86#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 87#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 88#L12-2 assume !(main_~i~0 < ~N~0); 89#L12-3 main_~i~0 := 0; 85#L18-2 [2019-11-28 20:37:47,659 INFO L796 eck$LassoCheckResult]: Loop: 85#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 91#L2 assume !(0 == __VERIFIER_assert_~cond); 84#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 85#L18-2 [2019-11-28 20:37:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times [2019-11-28 20:37:47,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:47,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332714963] [2019-11-28 20:37:47,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:37:47,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332714963] [2019-11-28 20:37:47,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:37:47,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:37:47,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374534307] [2019-11-28 20:37:47,743 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:37:47,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,744 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 1 times [2019-11-28 20:37:47,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:47,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428914779] [2019-11-28 20:37:47,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,795 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:47,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:37:47,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:37:47,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:37:47,898 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 20:37:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:37:47,923 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-28 20:37:47,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:37:47,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2019-11-28 20:37:47,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:47,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2019-11-28 20:37:47,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 20:37:47,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 20:37:47,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2019-11-28 20:37:47,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:37:47,927 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-28 20:37:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2019-11-28 20:37:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-28 20:37:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:37:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-28 20:37:47,929 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-28 20:37:47,929 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-28 20:37:47,929 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:37:47,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2019-11-28 20:37:47,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:47,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:47,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:47,931 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:37:47,931 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:37:47,931 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 110#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 111#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 114#L12-2 assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 115#L12-2 assume !(main_~i~0 < ~N~0); 116#L12-3 main_~i~0 := 0; 113#L18-2 [2019-11-28 20:37:47,932 INFO L796 eck$LassoCheckResult]: Loop: 113#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 118#L2 assume !(0 == __VERIFIER_assert_~cond); 112#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 113#L18-2 [2019-11-28 20:37:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,932 INFO L82 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times [2019-11-28 20:37:47,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:47,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431740605] [2019-11-28 20:37:47,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,961 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 2 times [2019-11-28 20:37:47,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:47,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578510161] [2019-11-28 20:37:47,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:47,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:47,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:47,988 INFO L82 PathProgramCache]: Analyzing trace with hash -450855381, now seen corresponding path program 1 times [2019-11-28 20:37:47,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:47,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53722939] [2019-11-28 20:37:47,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:48,069 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:48,333 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-28 20:37:48,393 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:37:48,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:37:48,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:37:48,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:37:48,394 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:37:48,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:37:48,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:37:48,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2019-11-28 20:37:48,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:37:48,395 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:37:48,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:48,777 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:37:48,777 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 20:37:48,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:48,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:48,797 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 [2019-11-28 20:37:48,801 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) [2019-11-28 20:37:48,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:48,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:48,821 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 [2019-11-28 20:37:48,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:48,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:48,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:48,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,845 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) [2019-11-28 20:37:48,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:48,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:48,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:48,882 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:48,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:48,892 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) [2019-11-28 20:37:48,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:48,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,919 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) [2019-11-28 20:37:48,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:37:48,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:48,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:48,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:48,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:48,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:48,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:48,995 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) [2019-11-28 20:37:49,010 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:49,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:49,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:49,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:49,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:49,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:49,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:49,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:37:49,078 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-28 20:37:49,078 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 8 variables to zero. 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 [2019-11-28 20:37:49,086 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:37:49,091 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:37:49,091 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:37:49,091 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2 - 4*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~#a~0.offset >= 0] [2019-11-28 20:37:49,102 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-28 20:37:49,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:37:49,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:49,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 20:37:49,147 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:49,161 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:37:49,161 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:37:49,179 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:37:49,179 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:37:49,218 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 5 states. [2019-11-28 20:37:49,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:37:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:37:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-28 20:37:49,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:37:49,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:49,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 20:37:49,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:49,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 20:37:49,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:49,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-28 20:37:49,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:37:49,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-28 20:37:49,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:37:49,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:37:49,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:37:49,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:37:49,223 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:49,223 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:49,223 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:49,223 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:37:49,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:37:49,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:37:49,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:37:49,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:37:49 BoogieIcfgContainer [2019-11-28 20:37:49,231 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:37:49,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:37:49,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:37:49,231 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:37:49,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:46" (3/4) ... [2019-11-28 20:37:49,236 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:37:49,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:37:49,238 INFO L168 Benchmark]: Toolchain (without parser) took 3848.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -201.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:49,239 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:37:49,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:49,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:49,241 INFO L168 Benchmark]: Boogie Preprocessor took 34.76 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. [2019-11-28 20:37:49,242 INFO L168 Benchmark]: RCFGBuilder took 295.83 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:49,244 INFO L168 Benchmark]: BuchiAutomizer took 3118.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:49,244 INFO L168 Benchmark]: Witness Printer took 5.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:37:49,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.76 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 295.83 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3118.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 13 SDslu, 4 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax100 hnf100 lsp92 ukn70 mio100 lsp79 div100 bol100 ite100 ukn100 eq161 hnf90 smp97 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 2 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...