./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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-15/add_first_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 b80c314f9b813935201d5b334c75f7a685c1e89b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:23:30,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:23:30,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:23:30,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:23:30,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:23:30,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:23:30,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:23:30,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:23:30,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:23:30,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:23:30,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:23:30,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:23:30,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:23:30,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:23:30,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:23:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:23:30,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:23:30,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:23:30,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:23:30,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:23:30,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:23:30,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:23:30,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:23:30,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:23:30,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:23:30,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:23:30,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:23:30,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:23:30,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:23:30,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:23:30,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:23:30,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:23:30,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:23:30,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:23:30,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:23:30,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:23:30,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:23:30,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:23:30,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:23:30,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:23:30,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:23:30,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:23:30,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:23:30,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:23:30,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:23:30,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:23:30,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:23:30,205 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:23:30,205 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:23:30,205 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:23:30,206 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:23:30,206 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:23:30,207 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:23:30,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:23:30,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:23:30,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:23:30,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:23:30,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:23:30,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:23:30,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:23:30,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:23:30,209 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:23:30,210 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:23:30,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:23:30,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:23:30,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:23:30,210 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:23:30,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:23:30,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:23:30,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:23:30,211 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:23:30,213 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:23:30,213 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b80c314f9b813935201d5b334c75f7a685c1e89b [2020-10-26 04:23:30,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:23:30,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:23:30,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:23:30,761 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:23:30,762 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:23:30,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/add_first_alloca.i [2020-10-26 04:23:30,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0d16341/d3acbcf19a2a4ab590b185d55df86650/FLAGb515b4d47 [2020-10-26 04:23:31,610 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:23:31,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/add_first_alloca.i [2020-10-26 04:23:31,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0d16341/d3acbcf19a2a4ab590b185d55df86650/FLAGb515b4d47 [2020-10-26 04:23:31,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0d16341/d3acbcf19a2a4ab590b185d55df86650 [2020-10-26 04:23:31,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:23:31,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:23:31,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:31,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:23:31,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:23:31,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:31" (1/1) ... [2020-10-26 04:23:31,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e482563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:31, skipping insertion in model container [2020-10-26 04:23:31,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:31" (1/1) ... [2020-10-26 04:23:31,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:23:32,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:23:32,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:32,460 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:23:32,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:32,597 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:23:32,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32 WrapperNode [2020-10-26 04:23:32,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:32,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:32,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:23:32,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:23:32,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:32,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:23:32,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:23:32,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:23:32,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (1/1) ... [2020-10-26 04:23:32,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:23:32,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:23:32,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:23:32,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:23:32,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (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 [2020-10-26 04:23:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:23:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:23:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:23:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:23:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:23:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:23:33,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:23:33,077 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:23:33,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:33 BoogieIcfgContainer [2020-10-26 04:23:33,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:23:33,081 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:23:33,081 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:23:33,086 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:23:33,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:33,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:23:31" (1/3) ... [2020-10-26 04:23:33,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51a05750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:33, skipping insertion in model container [2020-10-26 04:23:33,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:33,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:32" (2/3) ... [2020-10-26 04:23:33,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51a05750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:33, skipping insertion in model container [2020-10-26 04:23:33,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:33,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:33" (3/3) ... [2020-10-26 04:23:33,093 INFO L373 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2020-10-26 04:23:33,169 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:23:33,169 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:23:33,169 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:23:33,170 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:23:33,170 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:23:33,170 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:23:33,170 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:23:33,170 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:23:33,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:23:33,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:23:33,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:33,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:33,257 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:23:33,259 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:23:33,259 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:23:33,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:23:33,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:23:33,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:33,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:33,264 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:23:33,264 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:23:33,277 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~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2020-10-26 04:23:33,279 INFO L796 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem208;havoc main_#t~mem207;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem209;havoc main_#t~mem210;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2020-10-26 04:23:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:33,296 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-10-26 04:23:33,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:33,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670123865] [2020-10-26 04:23:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,566 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:33,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:33,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2020-10-26 04:23:33,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:33,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683345510] [2020-10-26 04:23:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:33,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:33,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2020-10-26 04:23:33,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:33,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278551881] [2020-10-26 04:23:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:33,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:33,765 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:33,888 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-10-26 04:23:34,089 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-10-26 04:23:34,150 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:23:34,150 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:23:34,151 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:23:34,151 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:23:34,151 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:23:34,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:34,151 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:23:34,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:23:34,152 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2020-10-26 04:23:34,152 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:23:34,152 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:23:34,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:34,534 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-26 04:23:34,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:23:34,919 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 [2020-10-26 04:23:34,934 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 [2020-10-26 04:23:34,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:34,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:34,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:34,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:34,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:34,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:34,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:34,945 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 [2020-10-26 04:23:34,994 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 [2020-10-26 04:23:34,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:34,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:34,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:34,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:34,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:35,007 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) [2020-10-26 04:23:35,057 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 [2020-10-26 04:23:35,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,066 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 [2020-10-26 04:23:35,105 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 [2020-10-26 04:23:35,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:35,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:35,121 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 [2020-10-26 04:23:35,156 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 [2020-10-26 04:23:35,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:35,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-26 04:23:35,193 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 [2020-10-26 04:23:35,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:35,200 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 [2020-10-26 04:23:35,225 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 [2020-10-26 04:23:35,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:35,239 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 [2020-10-26 04:23:35,264 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 [2020-10-26 04:23:35,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:35,272 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) [2020-10-26 04:23:35,317 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 [2020-10-26 04:23:35,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:35,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:35,391 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 [2020-10-26 04:23:35,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:35,441 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 [2020-10-26 04:23:35,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:35,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:23:35,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:35,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:35,510 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 [2020-10-26 04:23:35,514 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,546 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 [2020-10-26 04:23:35,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:35,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:35,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:35,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:35,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:35,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:35,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:23:35,892 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2020-10-26 04:23:35,892 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:35,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:35,907 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:23:35,908 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:23:35,908 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1) = 4*ULTIMATE.start_main_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 Supporting invariants [] [2020-10-26 04:23:35,968 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-26 04:23:35,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:23:36,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:23:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:36,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-26 04:23:36,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:23:36,129 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 [2020-10-26 04:23:36,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2020-10-26 04:23:36,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 21 states and 24 transitions. Complement of second has 7 states. [2020-10-26 04:23:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:23:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:23:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2020-10-26 04:23:36,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-26 04:23:36,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:36,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-26 04:23:36,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:36,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-26 04:23:36,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:36,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2020-10-26 04:23:36,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:36,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2020-10-26 04:23:36,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:23:36,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:23:36,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:23:36,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:23:36,237 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:36,237 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:36,237 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:36,238 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:23:36,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:23:36,238 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:36,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:23:36,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:23:36 BoogieIcfgContainer [2020-10-26 04:23:36,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:23:36,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:23:36,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:23:36,246 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:23:36,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:33" (3/4) ... [2020-10-26 04:23:36,251 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:23:36,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:23:36,253 INFO L168 Benchmark]: Toolchain (without parser) took 4348.26 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 21.8 MB in the beginning and 37.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:36,254 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 46.1 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 52.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:36,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.85 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 32.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:36,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.10 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 30.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:36,257 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 ms. Allocated memory is still 56.6 MB. Free memory was 30.8 MB in the beginning and 29.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:36,258 INFO L168 Benchmark]: RCFGBuilder took 392.19 ms. Allocated memory is still 56.6 MB. Free memory was 29.8 MB in the beginning and 36.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:36,259 INFO L168 Benchmark]: BuchiAutomizer took 3164.39 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 36.5 MB in the beginning and 38.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:36,260 INFO L168 Benchmark]: Witness Printer took 5.77 ms. Allocated memory is still 83.9 MB. Free memory was 38.1 MB in the beginning and 37.5 MB in the end (delta: 598.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:36,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 46.1 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 52.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 685.85 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 32.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.10 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 30.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.14 ms. Allocated memory is still 56.6 MB. Free memory was 30.8 MB in the beginning and 29.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 392.19 ms. Allocated memory is still 56.6 MB. Free memory was 29.8 MB in the beginning and 36.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3164.39 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 36.5 MB in the beginning and 38.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.77 ms. Allocated memory is still 83.9 MB. Free memory was 38.1 MB in the beginning and 37.5 MB in the end (delta: 598.4 kB). There was no memory consumed. Max. memory is 16.1 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4 * a + unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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: 8 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms 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...