./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/termination-restricted-15/Flip_false-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 450446710566ec183df799a31b6732fa6118716d .......................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 02:22:22,081 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:22:22,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:22:22,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:22:22,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:22:22,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:22:22,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:22:22,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:22:22,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:22:22,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:22:22,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:22:22,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:22:22,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:22:22,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:22:22,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:22:22,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:22:22,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:22:22,126 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:22:22,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:22:22,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:22:22,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:22:22,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:22:22,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:22:22,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:22:22,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:22:22,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:22:22,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:22:22,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:22:22,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:22:22,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:22:22,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:22:22,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:22:22,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:22:22,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:22:22,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:22:22,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:22:22,144 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:22:22,172 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:22:22,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:22:22,177 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:22:22,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:22:22,178 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:22:22,179 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:22:22,179 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:22:22,179 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:22:22,179 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:22:22,179 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:22:22,179 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:22:22,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:22:22,180 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:22:22,180 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:22:22,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:22:22,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:22:22,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:22:22,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:22:22,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:22:22,183 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:22:22,183 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:22:22,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:22:22,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:22:22,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:22:22,185 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:22:22,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:22:22,185 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:22:22,185 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:22:22,186 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:22:22,188 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 450446710566ec183df799a31b6732fa6118716d [2019-01-14 02:22:22,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:22:22,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:22:22,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:22:22,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:22:22,263 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:22:22,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2019-01-14 02:22:22,325 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5e49f6f/c965d8aca6af4affbedd42903dc8c792/FLAG107c7aaa1 [2019-01-14 02:22:22,770 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:22:22,770 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2019-01-14 02:22:22,777 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5e49f6f/c965d8aca6af4affbedd42903dc8c792/FLAG107c7aaa1 [2019-01-14 02:22:23,163 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5e49f6f/c965d8aca6af4affbedd42903dc8c792 [2019-01-14 02:22:23,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:22:23,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:22:23,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:22:23,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:22:23,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:22:23,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b38cce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23, skipping insertion in model container [2019-01-14 02:22:23,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:22:23,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:22:23,374 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:22:23,379 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:22:23,396 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:22:23,411 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:22:23,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23 WrapperNode [2019-01-14 02:22:23,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:22:23,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:22:23,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:22:23,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:22:23,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:22:23,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:22:23,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:22:23,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:22:23,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (1/1) ... [2019-01-14 02:22:23,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:22:23,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:22:23,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:22:23,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:22:23,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (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 [2019-01-14 02:22:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:22:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:22:23,736 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:22:23,737 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 02:22:23,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:22:23 BoogieIcfgContainer [2019-01-14 02:22:23,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:22:23,742 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:22:23,742 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:22:23,745 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:22:23,746 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:22:23,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:22:23" (1/3) ... [2019-01-14 02:22:23,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ab33216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:22:23, skipping insertion in model container [2019-01-14 02:22:23,748 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:22:23,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:22:23" (2/3) ... [2019-01-14 02:22:23,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ab33216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:22:23, skipping insertion in model container [2019-01-14 02:22:23,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:22:23,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:22:23" (3/3) ... [2019-01-14 02:22:23,751 INFO L375 chiAutomizerObserver]: Analyzing ICFG Flip_false-termination_true-no-overflow.c [2019-01-14 02:22:23,801 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:22:23,802 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:22:23,802 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:22:23,802 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:22:23,802 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:22:23,803 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:22:23,803 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:22:23,803 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:22:23,803 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:22:23,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-14 02:22:23,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:22:23,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:22:23,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:22:23,848 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:22:23,848 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:22:23,848 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:22:23,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-14 02:22:23,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:22:23,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:22:23,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:22:23,849 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:22:23,849 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:22:23,856 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true [2019-01-14 02:22:23,856 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(0 != main_~i~0 && 0 != main_~j~0);main_~t~0 := main_~i~0;main_~i~0 := main_~j~0;main_~j~0 := main_~t~0; 5#L13-2true [2019-01-14 02:22:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:22:23,862 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:22:23,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:22:23,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:22:23,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:22:23,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:22:23,973 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 02:22:23,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:22:23,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:22:23,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:22:23,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:22:23,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 02:22:23,986 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:22:23,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:22:23,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:22:23,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:22:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:22:24,149 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-14 02:22:24,264 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:22:24,266 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:22:24,266 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:22:24,266 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:22:24,266 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:22:24,266 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:24,267 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:22:24,267 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:22:24,267 INFO L131 ssoRankerPreferences]: Filename of dumped script: Flip_false-termination_true-no-overflow.c_Iteration1_Lasso [2019-01-14 02:22:24,267 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:22:24,267 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:22:24,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,598 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-14 02:22:24,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:22:24,834 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-14 02:22:25,281 WARN L181 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-01-14 02:22:25,348 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:22:25,349 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,354 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,354 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:22:25,362 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,362 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,386 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,386 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:22:25,412 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,412 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 02:22:25,420 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,421 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,436 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,436 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,459 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,459 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:22:25,462 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,462 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 02:22:25,505 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,505 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 02:22:25,572 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:22:25,572 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,741 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,741 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=3, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=3} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=7, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=2, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=-6, ULTIMATE.start_main_~i~0=0}] Lambdas: [0, 3, 0] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:22:25,765 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:22:25,765 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:22:25,787 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:22:25,787 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-01-14 02:22:25,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:22:25 BoogieIcfgContainer [2019-01-14 02:22:25,817 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:22:25,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:22:25,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:22:25,817 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:22:25,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:22:23" (3/4) ... [2019-01-14 02:22:25,821 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 02:22:25,863 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 02:22:25,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:22:25,865 INFO L168 Benchmark]: Toolchain (without parser) took 2697.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -69.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-01-14 02:22:25,866 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-14 02:22:25,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-14 02:22:25,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.02 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:22:25,868 INFO L168 Benchmark]: Boogie Preprocessor took 20.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:22:25,869 INFO L168 Benchmark]: RCFGBuilder took 271.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:22:25,870 INFO L168 Benchmark]: BuchiAutomizer took 2075.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2019-01-14 02:22:25,871 INFO L168 Benchmark]: Witness Printer took 46.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:22:25,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 242.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 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 36.02 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 271.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2075.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax161 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf93 smp100 dnf276 smp100 tf100 neg93 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. [2019-01-14 02:22:25,890 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,890 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,893 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,893 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-14 02:22:25,895 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-14 02:22:25,895 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ee20a85=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746e1f87=0, ~unnamed0~0~false=0, i=0, j=0} State at position 1 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ee20a85=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746e1f87=0, ~unnamed0~0~false=0, i=3, j=3} For i>1, the state at position i is {t=0 + sum_{k=0}^i 7*0^k + 2*3^k + -6*0^k + -6*k*3^(k-1), org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ee20a85=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746e1f87=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, i=3 + sum_{k=0}^i 0, j=3 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 3, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] int t; [L9] i = __VERIFIER_nondet_int() [L10] j = __VERIFIER_nondet_int() [L11] t = 0 Loop: [L13] COND TRUE i != 0 && j != 0 [L14] t = i [L15] i = j [L16] j = t End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...