./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1_variant.i --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_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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 1a2ad7e0b5490d38497860251c3047d8de1153f2 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:23,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:23,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:23,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:23,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:23,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:23,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:23,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:23,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:23,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:23,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:23,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:23,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:23,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:23,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:23,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:23,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:23,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:23,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:23,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:23,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:23,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:23,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:23,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:23,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:23,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:23,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:23,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:23,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:23,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:23,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:23,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:23,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:23,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:23,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:23,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:23,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:23,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:23,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:23,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:23,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:23,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 02:58:23,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:23,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:23,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:23,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:23,723 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:23,723 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:58:23,723 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:58:23,724 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:58:23,724 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:58:23,724 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:58:23,725 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:58:23,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:23,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:23,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:58:23,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:23,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:23,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:23,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:58:23,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:58:23,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:58:23,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:23,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:23,729 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:58:23,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:23,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:58:23,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:23,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:23,730 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:58:23,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:23,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:23,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:23,732 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:58:23,733 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:58:23,733 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_d969f9c2-f38c-4381-b3b6-41478703fdc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a2ad7e0b5490d38497860251c3047d8de1153f2 [2020-11-28 02:58:24,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:24,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:24,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:24,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:24,049 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:24,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/../../sv-benchmarks/c/loop-new/count_by_1_variant.i [2020-11-28 02:58:24,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/data/6ed898242/9e2e1a51fd3847fb8eff60b57ee949f5/FLAG6570e1b78 [2020-11-28 02:58:24,593 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:24,593 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/sv-benchmarks/c/loop-new/count_by_1_variant.i [2020-11-28 02:58:24,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/data/6ed898242/9e2e1a51fd3847fb8eff60b57ee949f5/FLAG6570e1b78 [2020-11-28 02:58:24,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/bin/uautomizer/data/6ed898242/9e2e1a51fd3847fb8eff60b57ee949f5 [2020-11-28 02:58:24,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:24,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:24,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:24,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:24,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:24,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:24" (1/1) ... [2020-11-28 02:58:24,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717e1c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:24, skipping insertion in model container [2020-11-28 02:58:24,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:24" (1/1) ... [2020-11-28 02:58:25,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:25,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:25,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:25,208 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:25,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:25,257 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:25,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25 WrapperNode [2020-11-28 02:58:25,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:25,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:25,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:25,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:25,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:25,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:25,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:25,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:25,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:25,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:25,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:25,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:25,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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 [2020-11-28 02:58:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:25,569 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:25,570 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:58:25,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25 BoogieIcfgContainer [2020-11-28 02:58:25,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:25,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:58:25,573 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:58:25,576 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:58:25,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:25,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:58:24" (1/3) ... [2020-11-28 02:58:25,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bad9ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:25, skipping insertion in model container [2020-11-28 02:58:25,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:25,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (2/3) ... [2020-11-28 02:58:25,579 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bad9ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:25, skipping insertion in model container [2020-11-28 02:58:25,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:25,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25" (3/3) ... [2020-11-28 02:58:25,581 INFO L373 chiAutomizerObserver]: Analyzing ICFG count_by_1_variant.i [2020-11-28 02:58:25,639 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:58:25,640 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:58:25,640 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:58:25,640 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:25,640 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:25,640 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:58:25,640 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:25,640 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:58:25,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:58:25,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-28 02:58:25,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:58:25,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:58:25,689 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 02:58:25,689 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:58:25,690 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:58:25,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:58:25,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-28 02:58:25,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:58:25,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:58:25,692 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 02:58:25,692 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:58:25,699 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 3#L-1true havoc main_#res;havoc main_#t~post3, main_~i~0;havoc main_~i~0;main_~i~0 := 0; 12#L26-2true [2020-11-28 02:58:25,699 INFO L796 eck$LassoCheckResult]: Loop: 12#L26-2true assume !!(1000000 != main_~i~0);__VERIFIER_assert_#in~cond := (if main_~i~0 <= 1000000 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L18true assume !(0 == __VERIFIER_assert_~cond); 6#L18-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 12#L26-2true [2020-11-28 02:58:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:25,706 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 02:58:25,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:25,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698263328] [2020-11-28 02:58:25,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,854 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:25,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:25,856 INFO L82 PathProgramCache]: Analyzing trace with hash 40173, now seen corresponding path program 1 times [2020-11-28 02:58:25,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:25,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847918400] [2020-11-28 02:58:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,882 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:25,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:25,884 INFO L82 PathProgramCache]: Analyzing trace with hash 28699115, now seen corresponding path program 1 times [2020-11-28 02:58:25,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:25,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625982969] [2020-11-28 02:58:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:25,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:25,922 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:26,099 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:58:26,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:58:26,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:58:26,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:58:26,100 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:58:26,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:58:26,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:58:26,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:58:26,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2020-11-28 02:58:26,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:58:26,101 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:58:26,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,295 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:58:26,297 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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) [2020-11-28 02:58:26,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:58:26,315 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:58:26,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:58:26,326 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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 [2020-11-28 02:58:26,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:58:26,356 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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 [2020-11-28 02:58:26,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:58:26,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 02:58:26,426 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:58:26,427 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:58:26,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:58:26,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:58:26,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:58:26,428 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:58:26,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:58:26,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:58:26,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:58:26,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2020-11-28 02:58:26,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:58:26,429 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:58:26,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:58:26,554 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:58:26,559 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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) [2020-11-28 02:58:26,568 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 [2020-11-28 02:58:26,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:58:26,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:58:26,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:58:26,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:58:26,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:58:26,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:58:26,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:58:26,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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 [2020-11-28 02:58:26,622 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 [2020-11-28 02:58:26,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:58:26,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:58:26,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:58:26,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:58:26,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:58:26,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:58:26,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:58:26,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 02:58:26,631 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 02:58:26,631 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d969f9c2-f38c-4381-b3b6-41478703fdc9/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:58:26,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 02:58:26,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 02:58:26,660 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:58:26,660 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2020-11-28 02:58:26,683 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 02:58:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:58:26,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 02:58:26,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:26,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 02:58:26,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:26,903 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 02:58:26,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-11-28 02:58:27,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 30 states and 40 transitions. Complement of second has 9 states. [2020-11-28 02:58:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 02:58:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 02:58:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-11-28 02:58:27,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 3 letters. [2020-11-28 02:58:27,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:58:27,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 5 letters. Loop has 3 letters. [2020-11-28 02:58:27,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:58:27,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 6 letters. [2020-11-28 02:58:27,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:58:27,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2020-11-28 02:58:27,014 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:58:27,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2020-11-28 02:58:27,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 02:58:27,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 02:58:27,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 02:58:27,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:58:27,017 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:27,017 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:27,017 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:27,018 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:58:27,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:27,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:58:27,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 02:58:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:58:27 BoogieIcfgContainer [2020-11-28 02:58:27,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:58:27,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:27,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:27,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:27,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25" (3/4) ... [2020-11-28 02:58:27,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:58:27,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:27,028 INFO L168 Benchmark]: Toolchain (without parser) took 2042.49 ms. Allocated memory is still 123.7 MB. Free memory was 91.8 MB in the beginning and 71.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,029 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.66 ms. Allocated memory is still 123.7 MB. Free memory was 91.5 MB in the beginning and 100.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 123.7 MB. Free memory was 99.4 MB in the beginning and 98.8 MB in the end (delta: 649.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,031 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 123.7 MB. Free memory was 98.0 MB in the beginning and 97.3 MB in the end (delta: 723.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,032 INFO L168 Benchmark]: RCFGBuilder took 250.09 ms. Allocated memory is still 123.7 MB. Free memory was 97.3 MB in the beginning and 86.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,032 INFO L168 Benchmark]: BuchiAutomizer took 1449.63 ms. Allocated memory is still 123.7 MB. Free memory was 86.8 MB in the beginning and 71.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,033 INFO L168 Benchmark]: Witness Printer took 3.68 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 71.4 MB in the end (delta: 323.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 270.66 ms. Allocated memory is still 123.7 MB. Free memory was 91.5 MB in the beginning and 100.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 123.7 MB. Free memory was 99.4 MB in the beginning and 98.8 MB in the end (delta: 649.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 123.7 MB. Free memory was 98.0 MB in the beginning and 97.3 MB in the end (delta: 723.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 250.09 ms. Allocated memory is still 123.7 MB. Free memory was 97.3 MB in the beginning and 86.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1449.63 ms. Allocated memory is still 123.7 MB. Free memory was 86.8 MB in the beginning and 71.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.68 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 71.4 MB in the end (delta: 323.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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 -2 * i + 1999999 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: 6 SDtfs, 8 SDslu, 11 SDs, 0 SdLazy, 13 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp69 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...