./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer --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 0edc3db25587eb2dcb44164977e2a8fa1ed85700 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:05:00,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:05:00,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:05:00,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:05:00,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:05:00,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:05:00,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:05:00,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:05:00,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:05:00,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:05:00,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:05:00,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:05:00,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:05:00,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:05:00,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:05:00,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:05:00,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:05:00,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:05:00,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:05:00,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:05:00,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:05:00,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:05:00,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:05:00,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:05:00,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:05:00,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:05:00,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:05:00,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:05:00,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:05:00,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:05:00,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:05:00,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:05:00,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:05:00,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:05:00,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:05:00,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:05:00,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:05:00,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:05:00,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:05:00,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:05:00,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:05:00,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 22:05:00,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:05:00,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:05:00,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:05:00,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:05:00,218 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:05:00,218 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 22:05:00,218 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 22:05:00,218 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 22:05:00,218 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 22:05:00,219 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 22:05:00,219 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 22:05:00,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:05:00,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:05:00,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:05:00,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:05:00,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:05:00,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:05:00,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 22:05:00,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 22:05:00,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 22:05:00,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:05:00,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:05:00,221 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 22:05:00,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:05:00,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 22:05:00,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:05:00,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:05:00,222 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 22:05:00,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:05:00,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:05:00,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:05:00,223 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 22:05:00,224 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 22:05:00,224 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:/tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0edc3db25587eb2dcb44164977e2a8fa1ed85700 [2020-11-29 22:05:00,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:05:00,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:05:00,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:05:00,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:05:00,529 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:05:00,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/array_1-2.c [2020-11-29 22:05:00,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/data/736f578ed/496ea0a71fd24b0bbb947e7ebd28222a/FLAGc78e7bd29 [2020-11-29 22:05:01,099 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:05:01,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/sv-benchmarks/c/loop-acceleration/array_1-2.c [2020-11-29 22:05:01,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/data/736f578ed/496ea0a71fd24b0bbb947e7ebd28222a/FLAGc78e7bd29 [2020-11-29 22:05:01,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/data/736f578ed/496ea0a71fd24b0bbb947e7ebd28222a [2020-11-29 22:05:01,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:05:01,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:05:01,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:05:01,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:05:01,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:05:01,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b100ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01, skipping insertion in model container [2020-11-29 22:05:01,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:05:01,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:05:01,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:05:01,700 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:05:01,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:05:01,742 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:05:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01 WrapperNode [2020-11-29 22:05:01,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:05:01,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:05:01,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:05:01,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:05:01,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:05:01,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:05:01,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:05:01,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:05:01,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... [2020-11-29 22:05:01,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:05:01,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:05:01,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:05:01,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:05:01,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:05:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:05:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:05:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:05:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:05:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:05:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:05:02,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:05:02,113 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:05:02,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:05:02 BoogieIcfgContainer [2020-11-29 22:05:02,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:05:02,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 22:05:02,124 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 22:05:02,130 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 22:05:02,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:05:02,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 10:05:01" (1/3) ... [2020-11-29 22:05:02,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2fb7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:05:02, skipping insertion in model container [2020-11-29 22:05:02,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:05:02,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:01" (2/3) ... [2020-11-29 22:05:02,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f2fb7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:05:02, skipping insertion in model container [2020-11-29 22:05:02,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:05:02,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:05:02" (3/3) ... [2020-11-29 22:05:02,147 INFO L373 chiAutomizerObserver]: Analyzing ICFG array_1-2.c [2020-11-29 22:05:02,214 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 22:05:02,216 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 22:05:02,216 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 22:05:02,217 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:05:02,217 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:05:02,217 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 22:05:02,217 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:05:02,217 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 22:05:02,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 22:05:02,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 22:05:02,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:05:02,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:05:02,253 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 22:05:02,253 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 22:05:02,253 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 22:05:02,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 22:05:02,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 22:05:02,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:05:02,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:05:02,255 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 22:05:02,255 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 22:05:02,263 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(12);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~post7, main_#t~mem8, main_~#A~0.base, main_~#A~0.offset, main_~i~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;main_~i~0 := 0; 10#L16-3true [2020-11-29 22:05:02,263 INFO L796 eck$LassoCheckResult]: Loop: 10#L16-3true assume !!(main_~i~0 < 1024);call write~int(main_~i~0, main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4); 13#L16-2true main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 10#L16-3true [2020-11-29 22:05:02,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:05:02,276 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 22:05:02,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:05:02,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024624627] [2020-11-29 22:05:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:05:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:05:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:05:02,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-11-29 22:05:02,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:05:02,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629178331] [2020-11-29 22:05:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:05:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,455 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,466 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:05:02,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:05:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-11-29 22:05:02,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:05:02,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367756326] [2020-11-29 22:05:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:05:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:05:02,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:05:02,524 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:05:02,948 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-11-29 22:05:03,141 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-29 22:05:03,153 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:05:03,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:05:03,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:05:03,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:05:03,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:05:03,155 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:03,155 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:05:03,155 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:05:03,155 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_1-2.c_Iteration1_Lasso [2020-11-29 22:05:03,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:05:03,156 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:05:03,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,511 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-11-29 22:05:03,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:05:03,956 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:05:03,963 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:05:03,977 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 [2020-11-29 22:05:03,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:03,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:03,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:03,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:03,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:03,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:03,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,039 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 [2020-11-29 22:05:04,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:05:04,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:05:04,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:05:04,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,079 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 [2020-11-29 22:05:04,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:05:04,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:05:04,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:05:04,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,119 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 [2020-11-29 22:05:04,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,152 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 [2020-11-29 22:05:04,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:05:04,213 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 [2020-11-29 22:05:04,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,264 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 [2020-11-29 22:05:04,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,313 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 [2020-11-29 22:05:04,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:05:04,369 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 [2020-11-29 22:05:04,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,420 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 [2020-11-29 22:05:04,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,462 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 [2020-11-29 22:05:04,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:05:04,525 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 [2020-11-29 22:05:04,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/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 [2020-11-29 22:05:04,577 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 [2020-11-29 22:05:04,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,644 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 [2020-11-29 22:05:04,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:05:04,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:05:04,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:05:04,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,677 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 [2020-11-29 22:05:04,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:05:04,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:05:04,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:05:04,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:05:04,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:05:04,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:05:04,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:05:04,760 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-29 22:05:04,760 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_174185db-2626-45d6-b075-182452b3b0bd/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:05:04,793 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:05:04,796 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 22:05:04,796 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:05:04,797 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~0) = 2047*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 8*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-11-29 22:05:04,865 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 22:05:04,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 22:05:04,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:05:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:05:04,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:05:04,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:05:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:05:04,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 22:05:04,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:05:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:05:05,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 22:05:05,149 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-11-29 22:05:05,212 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 25 states and 31 transitions. Complement of second has 8 states. [2020-11-29 22:05:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 22:05:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 22:05:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-29 22:05:05,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-29 22:05:05,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:05:05,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 22:05:05,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:05:05,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-29 22:05:05,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:05:05,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-11-29 22:05:05,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:05:05,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-29 22:05:05,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 22:05:05,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 22:05:05,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 22:05:05,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:05:05,225 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:05:05,225 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:05:05,225 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:05:05,226 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 22:05:05,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:05:05,226 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:05:05,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 22:05:05,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 10:05:05 BoogieIcfgContainer [2020-11-29 22:05:05,232 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 22:05:05,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:05:05,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:05:05,234 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:05:05,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:05:02" (3/4) ... [2020-11-29 22:05:05,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:05:05,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:05:05,239 INFO L168 Benchmark]: Toolchain (without parser) took 3749.28 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 52.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:05:05,240 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:05:05,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.74 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 65.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:05:05,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.37 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 64.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:05:05,242 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 62.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:05:05,243 INFO L168 Benchmark]: RCFGBuilder took 301.54 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 51.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:05:05,244 INFO L168 Benchmark]: BuchiAutomizer took 3108.36 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 52.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:05:05,244 INFO L168 Benchmark]: Witness Printer took 4.81 ms. Allocated memory is still 111.1 MB. Free memory is still 52.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:05:05,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.74 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 65.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.37 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 64.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.15 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 62.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 301.54 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 51.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3108.36 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 52.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.81 ms. Allocated memory is still 111.1 MB. Free memory is still 52.4 MB. 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 2047 * unknown-#length-unknown[A] + -8 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax100 hnf100 lsp93 ukn55 mio100 lsp43 div100 bol100 ite100 ukn100 eq163 hnf92 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms 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...