./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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 c5465a084053aead702161d951dd339bfa1665d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:04:15,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:04:15,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:04:15,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:04:15,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:04:15,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:04:15,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:04:15,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:04:15,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:04:15,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:04:15,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:04:15,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:04:15,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:04:15,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:04:15,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:04:15,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:04:15,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:04:15,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:04:15,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:04:15,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:04:15,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:04:15,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:04:15,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:04:15,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:04:15,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:04:15,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:04:15,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:04:15,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:04:15,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:04:15,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:04:15,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:04:15,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:04:15,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:04:15,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:04:15,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:04:15,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:04:15,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:04:15,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:04:15,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:04:15,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:04:15,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:04:15,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:04:15,436 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:04:15,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:04:15,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:04:15,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:04:15,440 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:04:15,440 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:04:15,440 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:04:15,440 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:04:15,441 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:04:15,441 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:04:15,442 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:04:15,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:04:15,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:04:15,443 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:04:15,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:04:15,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:04:15,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:04:15,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:04:15,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:04:15,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:04:15,444 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:04:15,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:04:15,445 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:04:15,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:04:15,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:04:15,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:04:15,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:04:15,446 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:04:15,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:04:15,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:04:15,447 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:04:15,448 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:04:15,449 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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 -> c5465a084053aead702161d951dd339bfa1665d5 [2019-11-20 05:04:15,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:04:15,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:04:15,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:04:15,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:04:15,660 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:04:15,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/../../sv-benchmarks/c/loops/sum01_bug02.i [2019-11-20 05:04:15,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/data/fe0a5b603/b4cb20abc83440a49b23c67775a5a143/FLAG8d328616a [2019-11-20 05:04:16,237 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:04:16,238 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/sv-benchmarks/c/loops/sum01_bug02.i [2019-11-20 05:04:16,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/data/fe0a5b603/b4cb20abc83440a49b23c67775a5a143/FLAG8d328616a [2019-11-20 05:04:16,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/data/fe0a5b603/b4cb20abc83440a49b23c67775a5a143 [2019-11-20 05:04:16,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:04:16,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:04:16,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:04:16,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:04:16,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:04:16,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9156c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16, skipping insertion in model container [2019-11-20 05:04:16,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:04:16,626 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:04:16,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:04:16,798 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:04:16,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:04:16,910 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:04:16,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16 WrapperNode [2019-11-20 05:04:16,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:04:16,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:04:16,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:04:16,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:04:16,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:04:16,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:04:16,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:04:16,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:04:16,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... [2019-11-20 05:04:16,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:04:16,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:04:16,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:04:16,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:04:16,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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 [2019-11-20 05:04:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:04:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:04:17,256 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:04:17,256 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:04:17,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:17 BoogieIcfgContainer [2019-11-20 05:04:17,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:04:17,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:04:17,259 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:04:17,264 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:04:17,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:04:17,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:04:16" (1/3) ... [2019-11-20 05:04:17,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f78111d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:04:17, skipping insertion in model container [2019-11-20 05:04:17,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:04:17,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:16" (2/3) ... [2019-11-20 05:04:17,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f78111d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:04:17, skipping insertion in model container [2019-11-20 05:04:17,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:04:17,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:17" (3/3) ... [2019-11-20 05:04:17,272 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2019-11-20 05:04:17,338 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:04:17,339 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:04:17,339 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:04:17,339 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:04:17,339 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:04:17,339 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:04:17,339 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:04:17,339 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:04:17,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 05:04:17,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:04:17,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:04:17,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:04:17,387 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 05:04:17,387 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:04:17,387 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:04:17,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 05:04:17,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:04:17,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:04:17,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:04:17,389 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 05:04:17,390 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:04:17,398 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-11-20 05:04:17,399 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 11#L14true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 7#L14-2true main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-11-20 05:04:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 05:04:17,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:17,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94628769] [2019-11-20 05:04:17,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,535 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:04:17,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:17,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1203686, now seen corresponding path program 1 times [2019-11-20 05:04:17,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:17,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355067392] [2019-11-20 05:04:17,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,552 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:04:17,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash 29832837, now seen corresponding path program 1 times [2019-11-20 05:04:17,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:17,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337772527] [2019-11-20 05:04:17,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:17,605 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:04:17,741 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-11-20 05:04:17,782 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:04:17,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:04:17,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:04:17,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:04:17,783 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:04:17,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:17,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:04:17,784 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:04:17,784 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2019-11-20 05:04:17,784 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:04:17,784 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:04:17,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:17,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:17,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:17,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:17,942 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:04:17,943 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:17,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:04:17,958 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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 [2019-11-20 05:04:17,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:04:17,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:04:18,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:04:18,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:18,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,021 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:04:18,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:04:18,141 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:04:18,143 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:04:18,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:04:18,144 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:04:18,144 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:04:18,144 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:04:18,144 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,144 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:04:18,144 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:04:18,144 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2019-11-20 05:04:18,144 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:04:18,145 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:04:18,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:18,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:18,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:18,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:18,404 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:04:18,409 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:18,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:04:18,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:04:18,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:04:18,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:04:18,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:04:18,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:04:18,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:04:18,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:18,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:04:18,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:04:18,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:04:18,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:04:18,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:04:18,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:04:18,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:04:18,462 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:04:18,485 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:04:18,486 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:18,495 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:04:18,495 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:04:18,496 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:04:18,496 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-20 05:04:18,504 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:18,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:04:18,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:04:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:18,596 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:04:18,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:04:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:18,667 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 [2019-11-20 05:04:18,676 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-11-20 05:04:18,775 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 44 transitions. Complement of second has 7 states. [2019-11-20 05:04:18,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:04:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:04:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2019-11-20 05:04:18,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 05:04:18,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:18,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 05:04:18,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:18,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 8 letters. [2019-11-20 05:04:18,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:18,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2019-11-20 05:04:18,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:04:18,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 17 transitions. [2019-11-20 05:04:18,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-20 05:04:18,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 05:04:18,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-11-20 05:04:18,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:04:18,809 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-20 05:04:18,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-11-20 05:04:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-11-20 05:04:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 05:04:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 05:04:18,837 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 05:04:18,837 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 05:04:18,837 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:04:18,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-20 05:04:18,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:04:18,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:04:18,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:04:18,839 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 05:04:18,839 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:04:18,839 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 93#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2019-11-20 05:04:18,839 INFO L796 eck$LassoCheckResult]: Loop: 89#L14 assume !(main_~i~0 < main_~j~0); 96#L14-2 main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 94#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 88#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2019-11-20 05:04:18,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:18,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-11-20 05:04:18,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:18,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855412142] [2019-11-20 05:04:18,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:18,863 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:04:18,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:18,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1356538, now seen corresponding path program 1 times [2019-11-20 05:04:18,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:18,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967312126] [2019-11-20 05:04:18,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:04:18,882 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:04:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash 924877538, now seen corresponding path program 1 times [2019-11-20 05:04:18,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:04:18,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624437532] [2019-11-20 05:04:18,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:04:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:18,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624437532] [2019-11-20 05:04:18,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:04:18,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:04:18,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488178267] [2019-11-20 05:04:18,977 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:04:18,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:04:18,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:04:18,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:04:18,977 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:04:18,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:18,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:04:18,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:04:18,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2019-11-20 05:04:18,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:04:18,978 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:04:18,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:18,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:19,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:19,062 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:04:19,062 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:19,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:04:19,078 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,083 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:04:19,083 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:19,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:04:19,103 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:19,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:04:19,136 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,710 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:04:19,712 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:04:19,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:04:19,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:04:19,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:04:19,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:04:19,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:04:19,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:04:19,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2019-11-20 05:04:19,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:04:19,713 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:04:19,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:19,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:19,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:04:19,795 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:04:19,795 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:04:19,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:04:19,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:04:19,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:04:19,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:04:19,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:04:19,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:04:19,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:04:19,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/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) [2019-11-20 05:04:19,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:04:19,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:04:19,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:04:19,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:04:19,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:04:19,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:04:19,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:04:19,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:04:19,844 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 05:04:19,844 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10ed7d24-fd5a-491a-932c-53b352cf2e2d/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:04:19,848 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:04:19,848 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:04:19,848 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:04:19,848 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-20 05:04:19,850 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:04:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:04:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:19,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:04:19,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:04:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:19,898 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:04:19,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:04:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:19,916 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 [2019-11-20 05:04:19,916 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-20 05:04:19,952 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 28 transitions. Complement of second has 6 states. [2019-11-20 05:04:19,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:04:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:04:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2019-11-20 05:04:19,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 05:04:19,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:19,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:04:19,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:19,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-20 05:04:19,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:04:19,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2019-11-20 05:04:19,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:04:19,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-20 05:04:19,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:04:19,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:04:19,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:04:19,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:04:19,960 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:04:19,960 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:04:19,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:04:19,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:04:19,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:04:19,965 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 05:04:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:04:19,969 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 05:04:19,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:04:19,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 05:04:19,970 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:04:19,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:04:19,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:04:19,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:04:19,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:04:19,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:04:19,971 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:04:19,971 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:04:19,971 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:04:19,971 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:04:19,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:04:19,971 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:04:19,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:04:19,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:04:19 BoogieIcfgContainer [2019-11-20 05:04:19,977 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:04:19,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:04:19,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:04:19,978 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:04:19,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:17" (3/4) ... [2019-11-20 05:04:19,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:04:19,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:04:19,985 INFO L168 Benchmark]: Toolchain (without parser) took 3394.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.1 MB in the beginning and 962.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:04:19,985 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:04:19,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:04:19,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:04:19,987 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:04:19,988 INFO L168 Benchmark]: RCFGBuilder took 287.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:04:19,989 INFO L168 Benchmark]: BuchiAutomizer took 2718.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.0 MB in the end (delta: 154.9 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:04:19,989 INFO L168 Benchmark]: Witness Printer took 5.15 ms. Allocated memory is still 1.2 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:04:19,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 287.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2718.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.0 MB in the end (delta: 154.9 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.15 ms. Allocated memory is still 1.2 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function j + -1 * i and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 26 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf97 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...