./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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 64bit --witnessprinter.graph.data.programhash a2ea109607ebd9a0eb298d5042ccc7f2e5bd7dbe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:56,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:56,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:56,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:56,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:56,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:56,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:56,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:56,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:56,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:56,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:56,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:56,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:56,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:56,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:56,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:56,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:56,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:56,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:56,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:56,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:56,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:56,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:56,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:56,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:56,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:56,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:56,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:56,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:56,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:56,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:56,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:56,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:56,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:56,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:56,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:56,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:56,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:56,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:56,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:56,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:56,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:57:56,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:56,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:56,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:56,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:56,299 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:56,299 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:56,299 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:56,299 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:56,299 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:56,300 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:56,300 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:56,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:56,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:56,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:56,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:56,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:56,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:56,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:56,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:56,303 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:56,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:56,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:56,303 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:56,304 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:56,304 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/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2ea109607ebd9a0eb298d5042ccc7f2e5bd7dbe [2019-10-22 08:57:56,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:56,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:56,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:56,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:56,339 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:56,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Sequence.c [2019-10-22 08:57:56,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/data/f8bf7d9c9/618057ea8b114cfebc96d26e9957bd45/FLAG077938fe0 [2019-10-22 08:57:56,803 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:56,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/sv-benchmarks/c/termination-restricted-15/Sequence.c [2019-10-22 08:57:56,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/data/f8bf7d9c9/618057ea8b114cfebc96d26e9957bd45/FLAG077938fe0 [2019-10-22 08:57:56,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/data/f8bf7d9c9/618057ea8b114cfebc96d26e9957bd45 [2019-10-22 08:57:56,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:56,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:56,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:56,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:56,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:56,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a4bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56, skipping insertion in model container [2019-10-22 08:57:56,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:56,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:57,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:57,015 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:57,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:57,113 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:57,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57 WrapperNode [2019-10-22 08:57:57,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:57,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:57,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:57,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:57,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:57,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:57,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:57,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:57,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... [2019-10-22 08:57:57,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:57,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:57,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:57,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:57,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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 [2019-10-22 08:57:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:57,316 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:57,316 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:57,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:57 BoogieIcfgContainer [2019-10-22 08:57:57,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:57,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:57,318 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:57,321 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:57,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:57,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:56" (1/3) ... [2019-10-22 08:57:57,323 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca97358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:57, skipping insertion in model container [2019-10-22 08:57:57,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:57,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:57" (2/3) ... [2019-10-22 08:57:57,324 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca97358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:57, skipping insertion in model container [2019-10-22 08:57:57,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:57,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:57" (3/3) ... [2019-10-22 08:57:57,325 INFO L371 chiAutomizerObserver]: Analyzing ICFG Sequence.c [2019-10-22 08:57:57,374 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:57,375 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:57,375 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:57,375 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:57,375 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:57,375 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:57,375 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:57,375 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:57,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-10-22 08:57:57,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-10-22 08:57:57,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:57,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:57,413 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:57,413 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:57,414 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:57,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-10-22 08:57:57,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-10-22 08:57:57,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:57,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:57,415 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:57,415 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:57,422 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 9#L11-2true [2019-10-22 08:57:57,423 INFO L793 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~i~0 < 100);main_~i~0 := 1 + main_~i~0; 9#L11-2true [2019-10-22 08:57:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:57:57,438 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517501750] [2019-10-22 08:57:57,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,538 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,539 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 08:57:57,539 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998141677] [2019-10-22 08:57:57,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,556 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:57:57,558 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981187810] [2019-10-22 08:57:57,558 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,558 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:57,572 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:57,643 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:57,644 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:57,644 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:57,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:57,644 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:57,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:57,645 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:57,645 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:57,645 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2019-10-22 08:57:57,645 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:57,646 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:57,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,792 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:57,792 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:57,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:57,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:57,813 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:57,814 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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 [2019-10-22 08:57:57,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:57,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:57,833 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:57,833 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:57,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:57,845 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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 [2019-10-22 08:57:57,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:57,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:57,863 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:57,865 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:57,865 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:57,865 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:57,866 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:57,866 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:57,866 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:57,866 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:57,866 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:57,866 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2019-10-22 08:57:57,866 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:57,866 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:57,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:57,931 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:57,936 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:57,938 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 [2019-10-22 08:57:57,939 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:57,940 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:57,940 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:57,940 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:57,944 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:57,949 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:57,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:57,956 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 [2019-10-22 08:57:57,957 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:57,957 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:57,958 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:57,958 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:57,961 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:57,963 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:57,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:57,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:57,978 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:57,978 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:57,979 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:57,979 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:57,979 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:57,980 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:57,980 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:57,993 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:58,008 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:58,009 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:58,011 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:58,011 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:58,012 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:58,012 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2019-10-22 08:57:58,015 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:58,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,081 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:58,100 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:57:58,101 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2019-10-22 08:57:58,139 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 19 states and 28 transitions. Complement of second has 5 states. [2019-10-22 08:57:58,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:57:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:57:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-10-22 08:57:58,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 1 letters. [2019-10-22 08:57:58,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:57:58,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 2 letters. [2019-10-22 08:57:58,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2019-10-22 08:57:58,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:58,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 5 states and 7 transitions. [2019-10-22 08:57:58,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-10-22 08:57:58,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-10-22 08:57:58,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2019-10-22 08:57:58,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:58,154 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-10-22 08:57:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2019-10-22 08:57:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. [2019-10-22 08:57:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:57:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-10-22 08:57:58,177 INFO L711 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2019-10-22 08:57:58,178 INFO L591 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. [2019-10-22 08:57:58,178 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:57:58,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. [2019-10-22 08:57:58,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:57:58,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:58,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:58,179 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:57:58,179 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:57:58,179 INFO L791 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 56#L11-2 assume !(main_~i~0 < 100); 57#L13-1 [2019-10-22 08:57:58,179 INFO L793 eck$LassoCheckResult]: Loop: 57#L13-1 assume !!(main_~j~0 < 21);main_~j~0 := 3 + main_~j~0; 57#L13-1 [2019-10-22 08:57:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2019-10-22 08:57:58,180 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:58,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441393604] [2019-10-22 08:57:58,180 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,180 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:58,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441393604] [2019-10-22 08:57:58,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:58,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 08:57:58,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941867040] [2019-10-22 08:57:58,215 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:57:58,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,216 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2019-10-22 08:57:58,216 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:58,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80905970] [2019-10-22 08:57:58,216 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,216 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:58,222 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:58,233 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:58,233 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:58,233 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:58,234 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:58,234 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:58,234 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:58,234 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:58,234 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:58,234 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2019-10-22 08:57:58,234 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:58,234 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:58,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,287 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:58,287 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:58,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:58,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:58,303 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:58,303 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/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) [2019-10-22 08:57:58,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:58,314 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23c947b-47e0-4438-b153-09c293b35453/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:58,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:58,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:58,343 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:58,345 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:58,345 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:58,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:58,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:58,345 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:58,346 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:58,346 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:58,346 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:58,346 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2019-10-22 08:57:58,346 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:58,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:58,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:58,412 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:58,412 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:58,413 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 [2019-10-22 08:57:58,414 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:58,414 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:58,414 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:58,414 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:58,414 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:58,415 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:58,415 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:58,421 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:58,433 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:58,434 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:58,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:58,434 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:58,435 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:58,435 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 Supporting invariants [] [2019-10-22 08:57:58,436 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:58,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,464 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:58,465 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:57:58,465 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4 states and 6 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-10-22 08:57:58,469 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4 states and 6 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2019-10-22 08:57:58,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2019-10-22 08:57:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:57:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2019-10-22 08:57:58,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:57:58,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2019-10-22 08:57:58,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:57:58,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:58,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2019-10-22 08:57:58,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:58,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2019-10-22 08:57:58,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:58,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:58,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:58,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:58,474 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:58,474 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:58,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:58,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:58,479 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:57:58,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:58,482 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:57:58,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:58,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:57:58,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:58,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:58,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:58,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:58,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:58,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:58,484 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:58,484 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:58,484 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:58,484 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:57:58,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:58,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:58,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:57:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:58 BoogieIcfgContainer [2019-10-22 08:57:58,491 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:58,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:58,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:58,492 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:58,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:57" (3/4) ... [2019-10-22 08:57:58,500 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:58,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:58,502 INFO L168 Benchmark]: Toolchain (without parser) took 1674.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 949.9 MB in the beginning and 983.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:58,503 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:58,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:58,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.51 ms. Allocated memory is still 1.1 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. [2019-10-22 08:57:58,504 INFO L168 Benchmark]: Boogie Preprocessor took 14.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:58,505 INFO L168 Benchmark]: RCFGBuilder took 158.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:58,506 INFO L168 Benchmark]: BuchiAutomizer took 1173.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:58,506 INFO L168 Benchmark]: Witness Printer took 8.36 ms. Allocated memory is still 1.1 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:58,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.51 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 14.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 158.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1173.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * Witness Printer took 8.36 ms. Allocated memory is still 1.1 GB. Free memory is still 983.9 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 -2 * i + 199 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 43 and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...