./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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 fde3d54a6d21dc7fcdb8b6dec7e47021d215ebe0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:53:48,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:53:48,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:53:48,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:53:48,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:53:48,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:53:48,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:53:48,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:53:48,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:53:48,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:53:48,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:53:48,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:53:48,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:53:48,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:53:48,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:53:48,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:53:48,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:53:48,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:53:48,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:53:48,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:53:48,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:53:48,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:53:48,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:53:48,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:53:48,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:53:48,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:53:48,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:53:48,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:53:48,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:53:48,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:53:48,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:53:48,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:53:48,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:53:48,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:53:48,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:53:48,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:53:48,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:53:48,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:53:48,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:53:48,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:53:48,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:53:48,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 14:53:48,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:53:48,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:53:48,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:53:48,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:53:48,478 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:53:48,478 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 14:53:48,479 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 14:53:48,479 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 14:53:48,480 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 14:53:48,480 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 14:53:48,481 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 14:53:48,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:53:48,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:53:48,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 14:53:48,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:53:48,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:53:48,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:53:48,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 14:53:48,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 14:53:48,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 14:53:48,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:53:48,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:53:48,486 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 14:53:48,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:53:48,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 14:53:48,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:53:48,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:53:48,489 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 14:53:48,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:53:48,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:53:48,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:53:48,491 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 14:53:48,492 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 14:53:48,492 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_8159d05b-2e4c-40db-945a-21354e244645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fde3d54a6d21dc7fcdb8b6dec7e47021d215ebe0 [2020-12-01 14:53:48,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:53:48,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:53:48,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:53:48,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:53:48,842 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:53:48,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2020-12-01 14:53:48,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/data/fde378144/7af968c625b648acbb57624fd097c721/FLAG0d2a0f05e [2020-12-01 14:53:49,522 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:53:49,523 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2020-12-01 14:53:49,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/data/fde378144/7af968c625b648acbb57624fd097c721/FLAG0d2a0f05e [2020-12-01 14:53:49,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/bin/uautomizer/data/fde378144/7af968c625b648acbb57624fd097c721 [2020-12-01 14:53:49,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:53:49,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:53:49,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:49,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:53:49,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:53:49,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:49" (1/1) ... [2020-12-01 14:53:49,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131fe145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:49, skipping insertion in model container [2020-12-01 14:53:49,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:49" (1/1) ... [2020-12-01 14:53:49,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:53:49,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:53:50,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:50,198 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:53:50,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:50,275 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:53:50,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50 WrapperNode [2020-12-01 14:53:50,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:50,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:50,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:53:50,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:53:50,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:50,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:53:50,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:53:50,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:53:50,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... [2020-12-01 14:53:50,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:53:50,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:53:50,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:53:50,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:53:50,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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 [2020-12-01 14:53:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:53:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:53:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 14:53:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:53:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:53:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 14:53:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:53:50,923 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:53:50,924 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-01 14:53:50,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:50 BoogieIcfgContainer [2020-12-01 14:53:50,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:53:50,927 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 14:53:50,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 14:53:50,933 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 14:53:50,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:50,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 02:53:49" (1/3) ... [2020-12-01 14:53:50,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fe7d2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:50, skipping insertion in model container [2020-12-01 14:53:50,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:50,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:50" (2/3) ... [2020-12-01 14:53:50,939 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fe7d2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:50, skipping insertion in model container [2020-12-01 14:53:50,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:50,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:50" (3/3) ... [2020-12-01 14:53:50,941 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2020-12-01 14:53:51,042 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 14:53:51,042 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 14:53:51,042 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 14:53:51,043 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:53:51,043 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:53:51,043 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 14:53:51,043 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:53:51,044 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 14:53:51,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-12-01 14:53:51,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2020-12-01 14:53:51,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:51,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:51,115 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 14:53:51,125 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:51,126 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 14:53:51,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-12-01 14:53:51,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2020-12-01 14:53:51,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:51,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:51,129 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 14:53:51,130 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:51,138 INFO L794 eck$LassoCheckResult]: Stem: 14#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(31); 11#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 5#L21-3true [2020-12-01 14:53:51,139 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-3true assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 23#L25true assume 0 == main_~q~0;call write~int(1, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);call write~int((if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2), main_~#b~0.base, main_~#b~0.offset + 4 * main_~i~0, 4); 18#L25-2true call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 9#L30true assume !(0 != main_#t~mem5);havoc main_#t~mem5; 8#L21-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5#L21-3true [2020-12-01 14:53:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 14:53:51,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:51,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134836876] [2020-12-01 14:53:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:51,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:51,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:51,335 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:51,337 INFO L82 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2020-12-01 14:53:51,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:51,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690939734] [2020-12-01 14:53:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:51,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:51,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:51,472 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2020-12-01 14:53:51,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:51,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784912993] [2020-12-01 14:53:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:51,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784912993] [2020-12-01 14:53:51,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:51,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 14:53:51,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184604040] [2020-12-01 14:53:51,899 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-01 14:53:52,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:52,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:53:52,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:53:52,062 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 5 states. [2020-12-01 14:53:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:52,201 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2020-12-01 14:53:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:53:52,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2020-12-01 14:53:52,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-12-01 14:53:52,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 24 transitions. [2020-12-01 14:53:52,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-12-01 14:53:52,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-12-01 14:53:52,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2020-12-01 14:53:52,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:52,219 INFO L692 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2020-12-01 14:53:52,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2020-12-01 14:53:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2020-12-01 14:53:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-01 14:53:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-12-01 14:53:52,267 INFO L715 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-12-01 14:53:52,268 INFO L595 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-12-01 14:53:52,268 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 14:53:52,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2020-12-01 14:53:52,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-12-01 14:53:52,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:52,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:52,274 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 14:53:52,274 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:52,275 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY #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(31); 71#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 64#L21-3 [2020-12-01 14:53:52,276 INFO L796 eck$LassoCheckResult]: Loop: 64#L21-3 assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 65#L25 assume !(0 == main_~q~0); 74#L25-2 call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 75#L30 assume !(0 != main_#t~mem5);havoc main_#t~mem5; 67#L21-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 64#L21-3 [2020-12-01 14:53:52,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:52,279 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-12-01 14:53:52,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:52,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169782425] [2020-12-01 14:53:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,361 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:52,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:52,366 INFO L82 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2020-12-01 14:53:52,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:52,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339590423] [2020-12-01 14:53:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,402 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:52,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2020-12-01 14:53:52,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:52,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553349521] [2020-12-01 14:53:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:52,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:52,470 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:52,814 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-12-01 14:53:52,963 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 14:53:52,976 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:52,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:52,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:52,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:52,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:53:52,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:52,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:52,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:52,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Lasso [2020-12-01 14:53:52,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:52,979 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:53,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,292 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-01 14:53:53,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:53,781 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:53,788 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:53,806 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 [2020-12-01 14:53:53,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:53,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:53,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:53,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:53,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:53,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:53,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:53,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:53,875 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 [2020-12-01 14:53:53,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:53,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:53,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:53,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:53,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:53,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:53,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:53,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:53,952 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 [2020-12-01 14:53:53,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:53,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:53,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:53,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:53,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:53,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:53,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:53,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,018 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 [2020-12-01 14:53:54,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:54,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,099 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 [2020-12-01 14:53:54,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:54,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,165 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 [2020-12-01 14:53:54,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:54,173 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 [2020-12-01 14:53:54,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,239 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 [2020-12-01 14:53:54,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:54,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:54,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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 [2020-12-01 14:53:54,326 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 [2020-12-01 14:53:54,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:54,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:54,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,411 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 [2020-12-01 14:53:54,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:54,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:54,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:54,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:54,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:54,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:53:54,517 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-12-01 14:53:54,517 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:54,571 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,592 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 14:53:54,593 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:53:54,594 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2020-12-01 14:53:54,666 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-12-01 14:53:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:54,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:53:54,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:54,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 14:53:54,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:54,796 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 [2020-12-01 14:53:54,797 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-12-01 14:53:54,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 25 states and 36 transitions. Complement of second has 7 states. [2020-12-01 14:53:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-12-01 14:53:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 14:53:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-12-01 14:53:54,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2020-12-01 14:53:54,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:54,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2020-12-01 14:53:54,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:54,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2020-12-01 14:53:54,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:54,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2020-12-01 14:53:54,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 14:53:54,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2020-12-01 14:53:54,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-12-01 14:53:54,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-12-01 14:53:54,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-12-01 14:53:54,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:54,899 INFO L692 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-12-01 14:53:54,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-12-01 14:53:54,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-01 14:53:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-01 14:53:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-12-01 14:53:54,904 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-12-01 14:53:54,904 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-12-01 14:53:54,905 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 14:53:54,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-12-01 14:53:54,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 14:53:54,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:54,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:54,909 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:53:54,909 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 14:53:54,909 INFO L794 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY #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(31); 202#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 194#L21-3 assume !(main_~i~0 < 100000); 192#L21-4 call write~int(1, main_~#a~0.base, 60000 + main_~#a~0.offset, 4);main_~i~0 := 0; 193#L43-3 [2020-12-01 14:53:54,910 INFO L796 eck$LassoCheckResult]: Loop: 193#L43-3 assume !!(main_~i~0 < 100000); 197#L45 assume !(15000 == main_~i~0); 201#L43-2 main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 193#L43-3 [2020-12-01 14:53:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2020-12-01 14:53:54,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:54,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859411580] [2020-12-01 14:53:54,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:54,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859411580] [2020-12-01 14:53:54,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:54,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:53:54,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995286896] [2020-12-01 14:53:54,945 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:53:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:54,946 INFO L82 PathProgramCache]: Analyzing trace with hash 72171, now seen corresponding path program 1 times [2020-12-01 14:53:54,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:54,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328491492] [2020-12-01 14:53:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:54,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:54,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:54,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:54,970 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:54,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:54,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:54,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:54,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 14:53:54,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:54,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:54,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:54,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2020-12-01 14:53:54,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:54,972 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:54,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:54,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:55,049 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:55,050 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:55,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 14:53:55,063 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:55,074 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 14:53:55,074 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:55,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 14:53:55,127 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:55,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 14:53:55,193 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:55,346 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 14:53:55,348 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:55,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:55,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:55,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:55,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:53:55,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:55,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:55,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:55,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2020-12-01 14:53:55,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:55,350 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:55,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:55,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:55,492 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:55,492 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:55,523 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 [2020-12-01 14:53:55,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:55,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:55,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:55,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:55,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:55,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:55,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:55,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8159d05b-2e4c-40db-945a-21354e244645/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) [2020-12-01 14:53:55,585 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 [2020-12-01 14:53:55,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:55,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:55,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:55,588 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 14:53:55,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:55,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 14:53:55,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:55,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:53:55,620 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-12-01 14:53:55,620 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_8159d05b-2e4c-40db-945a-21354e244645/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 [2020-12-01 14:53:55,630 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 14:53:55,630 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-12-01 14:53:55,631 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:53:55,631 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2020-12-01 14:53:55,670 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-12-01 14:53:55,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:55,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:53:55,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:55,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 14:53:55,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:55,763 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 [2020-12-01 14:53:55,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-12-01 14:53:55,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 22 states and 30 transitions. Complement of second has 4 states. [2020-12-01 14:53:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 14:53:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 14:53:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2020-12-01 14:53:55,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2020-12-01 14:53:55,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:55,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2020-12-01 14:53:55,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:55,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2020-12-01 14:53:55,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:55,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2020-12-01 14:53:55,805 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:55,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2020-12-01 14:53:55,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 14:53:55,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 14:53:55,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 14:53:55,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:55,806 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:55,806 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:55,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:55,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:53:55,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:53:55,810 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-12-01 14:53:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:55,811 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-12-01 14:53:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 14:53:55,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-12-01 14:53:55,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:55,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:53:55,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 14:53:55,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 14:53:55,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 14:53:55,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:55,813 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:55,813 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:55,813 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:55,813 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 14:53:55,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:53:55,814 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:55,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 14:53:55,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 02:53:55 BoogieIcfgContainer [2020-12-01 14:53:55,829 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 14:53:55,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:53:55,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:53:55,830 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:53:55,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:50" (3/4) ... [2020-12-01 14:53:55,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 14:53:55,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:53:55,837 INFO L168 Benchmark]: Toolchain (without parser) took 5945.99 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 56.3 MB in the beginning and 86.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:55,843 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:55,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.02 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 66.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:55,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.73 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 64.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:55,846 INFO L168 Benchmark]: Boogie Preprocessor took 41.90 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 63.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:55,846 INFO L168 Benchmark]: RCFGBuilder took 561.16 ms. Allocated memory is still 88.1 MB. Free memory was 63.3 MB in the beginning and 48.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:55,848 INFO L168 Benchmark]: BuchiAutomizer took 4901.86 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 48.7 MB in the beginning and 86.7 MB in the end (delta: -38.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:55,851 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 130.0 MB. Free memory is still 86.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:55,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.02 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 66.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.73 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 64.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.90 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 63.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 561.16 ms. Allocated memory is still 88.1 MB. Free memory was 63.3 MB in the beginning and 48.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4901.86 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 48.7 MB in the beginning and 86.7 MB in the end (delta: -38.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.35 ms. Allocated memory is still 130.0 MB. Free memory is still 86.7 MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199999 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 55 SDslu, 29 SDs, 0 SdLazy, 66 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital72 mio100 ax100 hnf100 lsp96 ukn85 mio100 lsp81 div100 bol100 ite100 ukn100 eq168 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...