./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/locks/test_locks_9_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/locks/test_locks_9_true-unreach-call_true-valid-memsafety_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5107685577f81a5867811396b2c0a05eb5630c95 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:27:17,209 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:27:17,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:27:17,230 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:27:17,230 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:27:17,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:27:17,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:27:17,237 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:27:17,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:27:17,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:27:17,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:27:17,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:27:17,242 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:27:17,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:27:17,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:27:17,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:27:17,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:27:17,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:27:17,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:27:17,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:27:17,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:27:17,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:27:17,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:27:17,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:27:17,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:27:17,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:27:17,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:27:17,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:27:17,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:27:17,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:27:17,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:27:17,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:27:17,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:27:17,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:27:17,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:27:17,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:27:17,294 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:27:17,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:27:17,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:27:17,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:27:17,331 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:27:17,331 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:27:17,331 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:27:17,332 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:27:17,333 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:27:17,333 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:27:17,333 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:27:17,333 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:27:17,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:27:17,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:27:17,334 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:27:17,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:27:17,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:27:17,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:27:17,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:27:17,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:27:17,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:27:17,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:27:17,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:27:17,336 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:27:17,336 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:27:17,337 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:27:17,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:27:17,337 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:27:17,337 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:27:17,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:27:17,337 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:27:17,341 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:27:17,342 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:27:17,342 INFO L133 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 5107685577f81a5867811396b2c0a05eb5630c95 [2018-11-28 23:27:17,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:27:17,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:27:17,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:27:17,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:27:17,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:27:17,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/locks/test_locks_9_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 23:27:17,487 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c9dcd9/b977d8aaab104417aff36d5b0cfb9c7a/FLAGf1988f29c [2018-11-28 23:27:17,996 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:27:17,996 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/locks/test_locks_9_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 23:27:18,004 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c9dcd9/b977d8aaab104417aff36d5b0cfb9c7a/FLAGf1988f29c [2018-11-28 23:27:18,310 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c9dcd9/b977d8aaab104417aff36d5b0cfb9c7a [2018-11-28 23:27:18,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:27:18,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:27:18,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:27:18,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:27:18,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:27:18,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f203e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18, skipping insertion in model container [2018-11-28 23:27:18,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:27:18,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:27:18,560 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:27:18,566 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:27:18,613 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:27:18,633 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:27:18,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18 WrapperNode [2018-11-28 23:27:18,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:27:18,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:27:18,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:27:18,635 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:27:18,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:27:18,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:27:18,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:27:18,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:27:18,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... [2018-11-28 23:27:18,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:27:18,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:27:18,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:27:18,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:27:18,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:27:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:27:18,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:27:19,435 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:27:19,436 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:27:19,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:27:19 BoogieIcfgContainer [2018-11-28 23:27:19,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:27:19,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:27:19,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:27:19,442 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:27:19,443 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:27:19,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:27:18" (1/3) ... [2018-11-28 23:27:19,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f7657a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:27:19, skipping insertion in model container [2018-11-28 23:27:19,445 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:27:19,445 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:27:18" (2/3) ... [2018-11-28 23:27:19,445 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f7657a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:27:19, skipping insertion in model container [2018-11-28 23:27:19,445 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:27:19,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:27:19" (3/3) ... [2018-11-28 23:27:19,448 INFO L375 chiAutomizerObserver]: Analyzing ICFG test_locks_9_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 23:27:19,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:27:19,510 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:27:19,510 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:27:19,510 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:27:19,510 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:27:19,511 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:27:19,511 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:27:19,511 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:27:19,511 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:27:19,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states. [2018-11-28 23:27:19,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2018-11-28 23:27:19,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:19,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:19,562 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:19,562 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:19,562 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:27:19,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states. [2018-11-28 23:27:19,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2018-11-28 23:27:19,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:19,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:19,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:19,567 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:19,576 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 31#L139-1true [2018-11-28 23:27:19,577 INFO L796 eck$LassoCheckResult]: Loop: 31#L139-1true assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 4#L38true assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 27#L61true assume 0 != main_~p1~0;main_~lk1~0 := 1; 24#L61-2true assume 0 != main_~p2~0;main_~lk2~0 := 1; 11#L65-1true assume !(0 != main_~p3~0); 20#L69-1true assume 0 != main_~p4~0;main_~lk4~0 := 1; 8#L73-1true assume 0 != main_~p5~0;main_~lk5~0 := 1; 34#L77-1true assume 0 != main_~p6~0;main_~lk6~0 := 1; 23#L81-1true assume 0 != main_~p7~0;main_~lk7~0 := 1; 30#L85-1true assume 0 != main_~p8~0;main_~lk8~0 := 1; 17#L89-1true assume 0 != main_~p9~0;main_~lk9~0 := 1; 5#L93-1true assume !(0 != main_~p1~0); 35#L99-1true assume !(0 != main_~p2~0); 6#L104-1true assume !(0 != main_~p3~0); 14#L109-1true assume !(0 != main_~p4~0); 26#L114-1true assume !(0 != main_~p5~0); 33#L119-1true assume !(0 != main_~p6~0); 3#L124-1true assume !(0 != main_~p7~0); 12#L129-1true assume !(0 != main_~p8~0); 22#L134-1true assume !(0 != main_~p9~0); 31#L139-1true [2018-11-28 23:27:19,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:27:19,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:19,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:19,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:19,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:19,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:19,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:19,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1889319211, now seen corresponding path program 1 times [2018-11-28 23:27:19,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:19,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:19,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:19,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:19,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:19,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:19,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:19,843 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:19,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:19,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:19,865 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2018-11-28 23:27:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:19,962 INFO L93 Difference]: Finished difference Result 68 states and 117 transitions. [2018-11-28 23:27:19,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:19,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 117 transitions. [2018-11-28 23:27:19,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-11-28 23:27:19,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 58 states and 92 transitions. [2018-11-28 23:27:19,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58 [2018-11-28 23:27:19,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2018-11-28 23:27:19,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 92 transitions. [2018-11-28 23:27:19,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:19,980 INFO L705 BuchiCegarLoop]: Abstraction has 58 states and 92 transitions. [2018-11-28 23:27:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 92 transitions. [2018-11-28 23:27:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 23:27:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 23:27:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 92 transitions. [2018-11-28 23:27:20,019 INFO L728 BuchiCegarLoop]: Abstraction has 58 states and 92 transitions. [2018-11-28 23:27:20,019 INFO L608 BuchiCegarLoop]: Abstraction has 58 states and 92 transitions. [2018-11-28 23:27:20,020 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:27:20,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 92 transitions. [2018-11-28 23:27:20,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-11-28 23:27:20,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:20,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:20,024 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:20,024 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:20,024 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 144#L139-1 [2018-11-28 23:27:20,024 INFO L796 eck$LassoCheckResult]: Loop: 144#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 155#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 154#L61 assume !(0 != main_~p1~0); 139#L61-2 assume 0 != main_~p2~0;main_~lk2~0 := 1; 128#L65-1 assume !(0 != main_~p3~0); 129#L69-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 124#L73-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 125#L77-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 150#L81-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 149#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 148#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 147#L93-1 assume !(0 != main_~p1~0); 146#L99-1 assume !(0 != main_~p2~0); 119#L104-1 assume !(0 != main_~p3~0); 120#L109-1 assume !(0 != main_~p4~0); 127#L114-1 assume !(0 != main_~p5~0); 135#L119-1 assume !(0 != main_~p6~0); 112#L124-1 assume !(0 != main_~p7~0); 113#L129-1 assume !(0 != main_~p8~0); 157#L134-1 assume !(0 != main_~p9~0); 144#L139-1 [2018-11-28 23:27:20,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,026 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-28 23:27:20,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:20,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash 411503379, now seen corresponding path program 1 times [2018-11-28 23:27:20,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,041 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:20,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:20,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:20,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:20,108 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:20,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:20,109 INFO L87 Difference]: Start difference. First operand 58 states and 92 transitions. cyclomatic complexity: 36 Second operand 3 states. [2018-11-28 23:27:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:20,170 INFO L93 Difference]: Finished difference Result 113 states and 177 transitions. [2018-11-28 23:27:20,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:20,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 177 transitions. [2018-11-28 23:27:20,175 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2018-11-28 23:27:20,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 113 states and 177 transitions. [2018-11-28 23:27:20,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2018-11-28 23:27:20,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2018-11-28 23:27:20,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 177 transitions. [2018-11-28 23:27:20,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:20,181 INFO L705 BuchiCegarLoop]: Abstraction has 113 states and 177 transitions. [2018-11-28 23:27:20,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 177 transitions. [2018-11-28 23:27:20,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-28 23:27:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-28 23:27:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2018-11-28 23:27:20,201 INFO L728 BuchiCegarLoop]: Abstraction has 113 states and 177 transitions. [2018-11-28 23:27:20,201 INFO L608 BuchiCegarLoop]: Abstraction has 113 states and 177 transitions. [2018-11-28 23:27:20,201 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:27:20,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 177 transitions. [2018-11-28 23:27:20,203 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2018-11-28 23:27:20,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:20,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:20,207 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:20,207 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:20,208 INFO L794 eck$LassoCheckResult]: Stem: 323#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 324#L139-1 [2018-11-28 23:27:20,208 INFO L796 eck$LassoCheckResult]: Loop: 324#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 292#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 293#L61 assume !(0 != main_~p1~0); 359#L61-2 assume !(0 != main_~p2~0); 358#L65-1 assume !(0 != main_~p3~0); 357#L69-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 356#L73-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 355#L77-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 354#L81-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 353#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 352#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 350#L93-1 assume !(0 != main_~p1~0); 349#L99-1 assume !(0 != main_~p2~0); 347#L104-1 assume !(0 != main_~p3~0); 346#L109-1 assume !(0 != main_~p4~0); 341#L114-1 assume !(0 != main_~p5~0); 339#L119-1 assume !(0 != main_~p6~0); 338#L124-1 assume !(0 != main_~p7~0); 333#L129-1 assume !(0 != main_~p8~0); 331#L134-1 assume !(0 != main_~p9~0); 324#L139-1 [2018-11-28 23:27:20,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,208 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 3 times [2018-11-28 23:27:20,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:20,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1176844523, now seen corresponding path program 1 times [2018-11-28 23:27:20,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,226 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:20,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:20,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:20,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:20,296 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:20,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:20,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:20,297 INFO L87 Difference]: Start difference. First operand 113 states and 177 transitions. cyclomatic complexity: 68 Second operand 3 states. [2018-11-28 23:27:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:20,379 INFO L93 Difference]: Finished difference Result 221 states and 341 transitions. [2018-11-28 23:27:20,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:20,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 341 transitions. [2018-11-28 23:27:20,391 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 220 [2018-11-28 23:27:20,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 221 states and 341 transitions. [2018-11-28 23:27:20,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2018-11-28 23:27:20,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2018-11-28 23:27:20,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 341 transitions. [2018-11-28 23:27:20,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:20,404 INFO L705 BuchiCegarLoop]: Abstraction has 221 states and 341 transitions. [2018-11-28 23:27:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 341 transitions. [2018-11-28 23:27:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-28 23:27:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-28 23:27:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 341 transitions. [2018-11-28 23:27:20,428 INFO L728 BuchiCegarLoop]: Abstraction has 221 states and 341 transitions. [2018-11-28 23:27:20,428 INFO L608 BuchiCegarLoop]: Abstraction has 221 states and 341 transitions. [2018-11-28 23:27:20,428 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 23:27:20,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 341 transitions. [2018-11-28 23:27:20,430 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 220 [2018-11-28 23:27:20,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:20,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:20,431 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:20,431 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:20,431 INFO L794 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 664#L139-1 [2018-11-28 23:27:20,432 INFO L796 eck$LassoCheckResult]: Loop: 664#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 724#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 714#L61 assume !(0 != main_~p1~0); 716#L61-2 assume !(0 != main_~p2~0); 707#L65-1 assume !(0 != main_~p3~0); 708#L69-1 assume !(0 != main_~p4~0); 770#L73-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 769#L77-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 768#L81-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 767#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 766#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 765#L93-1 assume !(0 != main_~p1~0); 762#L99-1 assume !(0 != main_~p2~0); 760#L104-1 assume !(0 != main_~p3~0); 756#L109-1 assume !(0 != main_~p4~0); 757#L114-1 assume !(0 != main_~p5~0); 752#L119-1 assume !(0 != main_~p6~0); 751#L124-1 assume !(0 != main_~p7~0); 746#L129-1 assume !(0 != main_~p8~0); 745#L134-1 assume !(0 != main_~p9~0); 664#L139-1 [2018-11-28 23:27:20,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,432 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 4 times [2018-11-28 23:27:20,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:20,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1838259095, now seen corresponding path program 1 times [2018-11-28 23:27:20,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,443 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:20,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:20,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:20,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:20,516 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:20,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:20,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:20,516 INFO L87 Difference]: Start difference. First operand 221 states and 341 transitions. cyclomatic complexity: 128 Second operand 3 states. [2018-11-28 23:27:20,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:20,574 INFO L93 Difference]: Finished difference Result 433 states and 657 transitions. [2018-11-28 23:27:20,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:20,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 433 states and 657 transitions. [2018-11-28 23:27:20,580 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 432 [2018-11-28 23:27:20,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 433 states to 433 states and 657 transitions. [2018-11-28 23:27:20,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 433 [2018-11-28 23:27:20,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 433 [2018-11-28 23:27:20,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 433 states and 657 transitions. [2018-11-28 23:27:20,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:20,589 INFO L705 BuchiCegarLoop]: Abstraction has 433 states and 657 transitions. [2018-11-28 23:27:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states and 657 transitions. [2018-11-28 23:27:20,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2018-11-28 23:27:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-11-28 23:27:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 657 transitions. [2018-11-28 23:27:20,610 INFO L728 BuchiCegarLoop]: Abstraction has 433 states and 657 transitions. [2018-11-28 23:27:20,611 INFO L608 BuchiCegarLoop]: Abstraction has 433 states and 657 transitions. [2018-11-28 23:27:20,611 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-28 23:27:20,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states and 657 transitions. [2018-11-28 23:27:20,614 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 432 [2018-11-28 23:27:20,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:20,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:20,615 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:20,615 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:20,616 INFO L794 eck$LassoCheckResult]: Stem: 1324#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 1325#L139-1 [2018-11-28 23:27:20,616 INFO L796 eck$LassoCheckResult]: Loop: 1325#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 1372#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 1370#L61 assume !(0 != main_~p1~0); 1366#L61-2 assume !(0 != main_~p2~0); 1364#L65-1 assume !(0 != main_~p3~0); 1360#L69-1 assume !(0 != main_~p4~0); 1356#L73-1 assume !(0 != main_~p5~0); 1354#L77-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 1352#L81-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 1350#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 1348#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 1346#L93-1 assume !(0 != main_~p1~0); 1340#L99-1 assume !(0 != main_~p2~0); 1342#L104-1 assume !(0 != main_~p3~0); 1397#L109-1 assume !(0 != main_~p4~0); 1393#L114-1 assume !(0 != main_~p5~0); 1390#L119-1 assume !(0 != main_~p6~0); 1385#L124-1 assume !(0 != main_~p7~0); 1382#L129-1 assume !(0 != main_~p8~0); 1376#L134-1 assume !(0 != main_~p9~0); 1325#L139-1 [2018-11-28 23:27:20,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,617 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 5 times [2018-11-28 23:27:20,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:20,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,630 INFO L82 PathProgramCache]: Analyzing trace with hash 827141845, now seen corresponding path program 1 times [2018-11-28 23:27:20,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,634 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:20,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:20,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:20,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:20,692 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:20,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:20,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:20,693 INFO L87 Difference]: Start difference. First operand 433 states and 657 transitions. cyclomatic complexity: 240 Second operand 3 states. [2018-11-28 23:27:20,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:20,788 INFO L93 Difference]: Finished difference Result 849 states and 1265 transitions. [2018-11-28 23:27:20,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:20,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 849 states and 1265 transitions. [2018-11-28 23:27:20,799 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 848 [2018-11-28 23:27:20,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 849 states to 849 states and 1265 transitions. [2018-11-28 23:27:20,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 849 [2018-11-28 23:27:20,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 849 [2018-11-28 23:27:20,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 849 states and 1265 transitions. [2018-11-28 23:27:20,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:20,813 INFO L705 BuchiCegarLoop]: Abstraction has 849 states and 1265 transitions. [2018-11-28 23:27:20,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states and 1265 transitions. [2018-11-28 23:27:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2018-11-28 23:27:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2018-11-28 23:27:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1265 transitions. [2018-11-28 23:27:20,845 INFO L728 BuchiCegarLoop]: Abstraction has 849 states and 1265 transitions. [2018-11-28 23:27:20,845 INFO L608 BuchiCegarLoop]: Abstraction has 849 states and 1265 transitions. [2018-11-28 23:27:20,845 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-28 23:27:20,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 849 states and 1265 transitions. [2018-11-28 23:27:20,852 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 848 [2018-11-28 23:27:20,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:20,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:20,853 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:20,853 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:20,854 INFO L794 eck$LassoCheckResult]: Stem: 2614#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 2615#L139-1 [2018-11-28 23:27:20,854 INFO L796 eck$LassoCheckResult]: Loop: 2615#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 2769#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 2767#L61 assume !(0 != main_~p1~0); 2764#L61-2 assume !(0 != main_~p2~0); 2765#L65-1 assume !(0 != main_~p3~0); 2746#L69-1 assume !(0 != main_~p4~0); 2748#L73-1 assume !(0 != main_~p5~0); 2732#L77-1 assume !(0 != main_~p6~0); 2734#L81-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 2718#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 2719#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 2700#L93-1 assume !(0 != main_~p1~0); 2702#L99-1 assume !(0 != main_~p2~0); 2791#L104-1 assume !(0 != main_~p3~0); 2788#L109-1 assume !(0 != main_~p4~0); 2786#L114-1 assume !(0 != main_~p5~0); 2784#L119-1 assume !(0 != main_~p6~0); 2780#L124-1 assume !(0 != main_~p7~0); 2777#L129-1 assume !(0 != main_~p8~0); 2773#L134-1 assume !(0 != main_~p9~0); 2615#L139-1 [2018-11-28 23:27:20,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,854 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 6 times [2018-11-28 23:27:20,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:20,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:20,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:20,863 INFO L82 PathProgramCache]: Analyzing trace with hash 240335831, now seen corresponding path program 1 times [2018-11-28 23:27:20,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:20,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:20,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,865 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:20,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:20,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:20,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:20,935 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:20,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:20,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:20,935 INFO L87 Difference]: Start difference. First operand 849 states and 1265 transitions. cyclomatic complexity: 448 Second operand 3 states. [2018-11-28 23:27:21,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:21,011 INFO L93 Difference]: Finished difference Result 1665 states and 2433 transitions. [2018-11-28 23:27:21,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:21,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1665 states and 2433 transitions. [2018-11-28 23:27:21,045 INFO L131 ngComponentsAnalysis]: Automaton has 64 accepting balls. 1664 [2018-11-28 23:27:21,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1665 states to 1665 states and 2433 transitions. [2018-11-28 23:27:21,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1665 [2018-11-28 23:27:21,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1665 [2018-11-28 23:27:21,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1665 states and 2433 transitions. [2018-11-28 23:27:21,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:21,068 INFO L705 BuchiCegarLoop]: Abstraction has 1665 states and 2433 transitions. [2018-11-28 23:27:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states and 2433 transitions. [2018-11-28 23:27:21,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2018-11-28 23:27:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2018-11-28 23:27:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2433 transitions. [2018-11-28 23:27:21,114 INFO L728 BuchiCegarLoop]: Abstraction has 1665 states and 2433 transitions. [2018-11-28 23:27:21,114 INFO L608 BuchiCegarLoop]: Abstraction has 1665 states and 2433 transitions. [2018-11-28 23:27:21,114 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2018-11-28 23:27:21,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1665 states and 2433 transitions. [2018-11-28 23:27:21,129 INFO L131 ngComponentsAnalysis]: Automaton has 64 accepting balls. 1664 [2018-11-28 23:27:21,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:21,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:21,131 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:21,132 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:21,132 INFO L794 eck$LassoCheckResult]: Stem: 5134#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 5135#L139-1 [2018-11-28 23:27:21,132 INFO L796 eck$LassoCheckResult]: Loop: 5135#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 5321#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 5319#L61 assume !(0 != main_~p1~0); 5317#L61-2 assume !(0 != main_~p2~0); 5316#L65-1 assume !(0 != main_~p3~0); 5313#L69-1 assume !(0 != main_~p4~0); 5309#L73-1 assume !(0 != main_~p5~0); 5305#L77-1 assume !(0 != main_~p6~0); 5306#L81-1 assume !(0 != main_~p7~0); 5284#L85-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 5285#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 5270#L93-1 assume !(0 != main_~p1~0); 5271#L99-1 assume !(0 != main_~p2~0); 5245#L104-1 assume !(0 != main_~p3~0); 5244#L109-1 assume !(0 != main_~p4~0); 5225#L114-1 assume !(0 != main_~p5~0); 5227#L119-1 assume !(0 != main_~p6~0); 5326#L124-1 assume !(0 != main_~p7~0); 5325#L129-1 assume !(0 != main_~p8~0); 5323#L134-1 assume !(0 != main_~p9~0); 5135#L139-1 [2018-11-28 23:27:21,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:21,133 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 7 times [2018-11-28 23:27:21,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:21,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:21,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:21,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:21,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:21,154 INFO L82 PathProgramCache]: Analyzing trace with hash 498501269, now seen corresponding path program 1 times [2018-11-28 23:27:21,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:21,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:21,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:21,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:21,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:21,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:27:21,230 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:21,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:21,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:21,230 INFO L87 Difference]: Start difference. First operand 1665 states and 2433 transitions. cyclomatic complexity: 832 Second operand 3 states. [2018-11-28 23:27:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:21,331 INFO L93 Difference]: Finished difference Result 3265 states and 4673 transitions. [2018-11-28 23:27:21,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:21,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3265 states and 4673 transitions. [2018-11-28 23:27:21,362 INFO L131 ngComponentsAnalysis]: Automaton has 128 accepting balls. 3264 [2018-11-28 23:27:21,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3265 states to 3265 states and 4673 transitions. [2018-11-28 23:27:21,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3265 [2018-11-28 23:27:21,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3265 [2018-11-28 23:27:21,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3265 states and 4673 transitions. [2018-11-28 23:27:21,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:21,396 INFO L705 BuchiCegarLoop]: Abstraction has 3265 states and 4673 transitions. [2018-11-28 23:27:21,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states and 4673 transitions. [2018-11-28 23:27:21,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3265. [2018-11-28 23:27:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3265 states. [2018-11-28 23:27:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 4673 transitions. [2018-11-28 23:27:21,474 INFO L728 BuchiCegarLoop]: Abstraction has 3265 states and 4673 transitions. [2018-11-28 23:27:21,474 INFO L608 BuchiCegarLoop]: Abstraction has 3265 states and 4673 transitions. [2018-11-28 23:27:21,474 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ [2018-11-28 23:27:21,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3265 states and 4673 transitions. [2018-11-28 23:27:21,496 INFO L131 ngComponentsAnalysis]: Automaton has 128 accepting balls. 3264 [2018-11-28 23:27:21,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:21,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:21,497 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:21,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:21,498 INFO L794 eck$LassoCheckResult]: Stem: 10069#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 10070#L139-1 [2018-11-28 23:27:21,498 INFO L796 eck$LassoCheckResult]: Loop: 10070#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 10336#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 10334#L61 assume !(0 != main_~p1~0); 10332#L61-2 assume !(0 != main_~p2~0); 10329#L65-1 assume !(0 != main_~p3~0); 10326#L69-1 assume !(0 != main_~p4~0); 10322#L73-1 assume !(0 != main_~p5~0); 10318#L77-1 assume !(0 != main_~p6~0); 10319#L81-1 assume !(0 != main_~p7~0); 10299#L85-1 assume !(0 != main_~p8~0); 10301#L89-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 10284#L93-1 assume !(0 != main_~p1~0); 10286#L99-1 assume !(0 != main_~p2~0); 10242#L104-1 assume !(0 != main_~p3~0); 10241#L109-1 assume !(0 != main_~p4~0); 10225#L114-1 assume !(0 != main_~p5~0); 10227#L119-1 assume !(0 != main_~p6~0); 10342#L124-1 assume !(0 != main_~p7~0); 10340#L129-1 assume !(0 != main_~p8~0); 10339#L134-1 assume !(0 != main_~p9~0); 10070#L139-1 [2018-11-28 23:27:21,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:21,498 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 8 times [2018-11-28 23:27:21,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:21,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:21,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:21,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:21,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1199565847, now seen corresponding path program 1 times [2018-11-28 23:27:21,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:21,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:21,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,507 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:21,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:27:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:27:21,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:27:21,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:27:21,572 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:27:21,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:27:21,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:27:21,573 INFO L87 Difference]: Start difference. First operand 3265 states and 4673 transitions. cyclomatic complexity: 1536 Second operand 3 states. [2018-11-28 23:27:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:27:21,707 INFO L93 Difference]: Finished difference Result 6401 states and 8961 transitions. [2018-11-28 23:27:21,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:27:21,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6401 states and 8961 transitions. [2018-11-28 23:27:21,764 INFO L131 ngComponentsAnalysis]: Automaton has 256 accepting balls. 6400 [2018-11-28 23:27:21,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6401 states to 6401 states and 8961 transitions. [2018-11-28 23:27:21,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6401 [2018-11-28 23:27:21,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6401 [2018-11-28 23:27:21,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6401 states and 8961 transitions. [2018-11-28 23:27:21,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:27:21,828 INFO L705 BuchiCegarLoop]: Abstraction has 6401 states and 8961 transitions. [2018-11-28 23:27:21,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6401 states and 8961 transitions. [2018-11-28 23:27:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6401 to 6401. [2018-11-28 23:27:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6401 states. [2018-11-28 23:27:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8961 transitions. [2018-11-28 23:27:21,985 INFO L728 BuchiCegarLoop]: Abstraction has 6401 states and 8961 transitions. [2018-11-28 23:27:21,985 INFO L608 BuchiCegarLoop]: Abstraction has 6401 states and 8961 transitions. [2018-11-28 23:27:21,985 INFO L442 BuchiCegarLoop]: ======== Iteration 9============ [2018-11-28 23:27:21,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6401 states and 8961 transitions. [2018-11-28 23:27:22,014 INFO L131 ngComponentsAnalysis]: Automaton has 256 accepting balls. 6400 [2018-11-28 23:27:22,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:27:22,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:27:22,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:27:22,016 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:27:22,016 INFO L794 eck$LassoCheckResult]: Stem: 19746#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet5;havoc main_#t~nondet5;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet6;havoc main_#t~nondet6;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk9~0;havoc main_~cond~0; 19747#L139-1 [2018-11-28 23:27:22,016 INFO L796 eck$LassoCheckResult]: Loop: 19747#L139-1 assume !false;main_~cond~0 := main_#t~nondet9;havoc main_#t~nondet9; 20162#L38 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0; 20160#L61 assume !(0 != main_~p1~0); 20158#L61-2 assume !(0 != main_~p2~0); 20157#L65-1 assume !(0 != main_~p3~0); 20029#L69-1 assume !(0 != main_~p4~0); 20031#L73-1 assume !(0 != main_~p5~0); 20146#L77-1 assume !(0 != main_~p6~0); 20142#L81-1 assume !(0 != main_~p7~0); 20138#L85-1 assume !(0 != main_~p8~0); 20090#L89-1 assume !(0 != main_~p9~0); 20092#L93-1 assume !(0 != main_~p1~0); 20079#L99-1 assume !(0 != main_~p2~0); 20081#L104-1 assume !(0 != main_~p3~0); 20073#L109-1 assume !(0 != main_~p4~0); 20074#L114-1 assume !(0 != main_~p5~0); 20068#L119-1 assume !(0 != main_~p6~0); 20069#L124-1 assume !(0 != main_~p7~0); 20175#L129-1 assume !(0 != main_~p8~0); 20089#L134-1 assume !(0 != main_~p9~0); 19747#L139-1 [2018-11-28 23:27:22,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:22,016 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 9 times [2018-11-28 23:27:22,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:22,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:22,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:22,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:22,027 INFO L82 PathProgramCache]: Analyzing trace with hash 806538837, now seen corresponding path program 1 times [2018-11-28 23:27:22,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:22,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:22,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,030 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:27:22,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:27:22,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1231517452, now seen corresponding path program 1 times [2018-11-28 23:27:22,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:27:22,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:27:22,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:27:22,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:27:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:27:22,419 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-28 23:27:22,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:27:22 BoogieIcfgContainer [2018-11-28 23:27:22,615 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:27:22,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:27:22,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:27:22,616 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:27:22,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:27:19" (3/4) ... [2018-11-28 23:27:22,619 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:27:22,680 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:27:22,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:27:22,682 INFO L168 Benchmark]: Toolchain (without parser) took 4367.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.7 MB in the beginning and 848.5 MB in the end (delta: 104.2 MB). Peak memory consumption was 232.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,684 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:27:22,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.15 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:27:22,685 INFO L168 Benchmark]: Boogie Preprocessor took 59.24 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,686 INFO L168 Benchmark]: RCFGBuilder took 685.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,688 INFO L168 Benchmark]: BuchiAutomizer took 3177.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.2 MB in the end (delta: 240.9 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,689 INFO L168 Benchmark]: Witness Printer took 64.79 ms. Allocated memory is still 1.2 GB. Free memory was 855.2 MB in the beginning and 848.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:27:22,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.15 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.24 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 685.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3177.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.2 MB in the end (delta: 240.9 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. * Witness Printer took 64.79 ms. Allocated memory is still 1.2 GB. Free memory was 855.2 MB in the beginning and 848.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. 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 8 terminating modules (8 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.8 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6401 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 8. Minimization of nondet autom 0. Automata minimization 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 6401 states and ocurred in iteration 8. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 575 SDtfs, 301 SDslu, 348 SDs, 0 SdLazy, 40 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI8 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 36]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {p1=0, \result=0, p3=0, p2=0, p5=0, p4=0, p7=0, p6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a1cc625=0, p9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ca6ac11=0, p8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78a2e03b=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14195ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4883cdea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11dcb593=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@577ddd9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5812232c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9ba079e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@354e652f=0, cond=1, lk3=0, lk4=0, lk5=0, lk6=0, lk1=0, lk2=0, lk7=0, lk8=0, lk9=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 36]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L34] int cond; Loop: [L36] COND TRUE 1 [L37] cond = __VERIFIER_nondet_int() [L38] COND FALSE !(cond == 0) [L41] lk1 = 0 [L43] lk2 = 0 [L45] lk3 = 0 [L47] lk4 = 0 [L49] lk5 = 0 [L51] lk6 = 0 [L53] lk7 = 0 [L55] lk8 = 0 [L57] lk9 = 0 [L61] COND FALSE !(p1 != 0) [L65] COND FALSE !(p2 != 0) [L69] COND FALSE !(p3 != 0) [L73] COND FALSE !(p4 != 0) [L77] COND FALSE !(p5 != 0) [L81] COND FALSE !(p6 != 0) [L85] COND FALSE !(p7 != 0) [L89] COND FALSE !(p8 != 0) [L93] COND FALSE !(p9 != 0) [L99] COND FALSE !(p1 != 0) [L104] COND FALSE !(p2 != 0) [L109] COND FALSE !(p3 != 0) [L114] COND FALSE !(p4 != 0) [L119] COND FALSE !(p5 != 0) [L124] COND FALSE !(p6 != 0) [L129] COND FALSE !(p7 != 0) [L134] COND FALSE !(p8 != 0) [L139] COND FALSE !(p9 != 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...