./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call_1.i --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/ldv-regression/test_while_int_true-termination.c_false-unreach-call_1.i -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 87afddccfd1da763b81be9f487d95a8fd1750032 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:40:27,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:40:27,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:40:27,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:40:27,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:40:27,622 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:40:27,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:40:27,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:40:27,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:40:27,630 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:40:27,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:40:27,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:40:27,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:40:27,634 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:40:27,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:40:27,636 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:40:27,637 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:40:27,639 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:40:27,642 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:40:27,644 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:40:27,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:40:27,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:40:27,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:40:27,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:40:27,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:40:27,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:40:27,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:40:27,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:40:27,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:40:27,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:40:27,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:40:27,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:40:27,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:40:27,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:40:27,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:40:27,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:40:27,662 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:40:27,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:40:27,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:40:27,683 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:40:27,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:40:27,684 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:40:27,684 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:40:27,685 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:40:27,685 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:40:27,685 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:40:27,685 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:40:27,686 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:40:27,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:40:27,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:40:27,686 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:40:27,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:40:27,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:40:27,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:40:27,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:40:27,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:40:27,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:40:27,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:40:27,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:40:27,690 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:40:27,690 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:40:27,690 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:40:27,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:40:27,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:40:27,691 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:40:27,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:40:27,691 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:40:27,691 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:40:27,694 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:40:27,694 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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2018-11-28 23:40:27,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:40:27,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:40:27,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:40:27,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:40:27,751 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:40:27,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call_1.i [2018-11-28 23:40:27,815 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddffde942/2f25681eb2b241ca8e147478a5664122/FLAGe22500b51 [2018-11-28 23:40:28,258 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:40:28,258 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call_1.i [2018-11-28 23:40:28,263 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddffde942/2f25681eb2b241ca8e147478a5664122/FLAGe22500b51 [2018-11-28 23:40:28,619 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddffde942/2f25681eb2b241ca8e147478a5664122 [2018-11-28 23:40:28,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:40:28,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:40:28,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:40:28,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:40:28,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:40:28,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:28,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e17088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28, skipping insertion in model container [2018-11-28 23:40:28,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:28,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:40:28,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:40:28,904 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:40:28,910 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:40:28,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:40:28,948 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:40:28,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28 WrapperNode [2018-11-28 23:40:28,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:40:28,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:40:28,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:40:28,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:40:28,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:28,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:28,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:40:28,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:40:28,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:40:28,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:40:29,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (1/1) ... [2018-11-28 23:40:29,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:40:29,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:40:29,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:40:29,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:40:29,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (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 23:40:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:40:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:40:29,361 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:40:29,361 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:40:29,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:29 BoogieIcfgContainer [2018-11-28 23:40:29,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:40:29,363 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:40:29,363 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:40:29,367 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:40:29,367 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:40:29,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:40:28" (1/3) ... [2018-11-28 23:40:29,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b440435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:40:29, skipping insertion in model container [2018-11-28 23:40:29,369 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:40:29,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:28" (2/3) ... [2018-11-28 23:40:29,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b440435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:40:29, skipping insertion in model container [2018-11-28 23:40:29,370 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:40:29,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:29" (3/3) ... [2018-11-28 23:40:29,372 INFO L375 chiAutomizerObserver]: Analyzing ICFG test_while_int_true-termination.c_false-unreach-call_1.i [2018-11-28 23:40:29,433 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:40:29,433 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:40:29,434 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:40:29,434 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:40:29,434 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:40:29,434 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:40:29,434 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:40:29,434 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:40:29,434 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:40:29,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:40:29,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:40:29,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:40:29,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:40:29,484 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:40:29,485 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:40:29,485 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:40:29,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:40:29,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:40:29,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:40:29,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:40:29,487 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:40:29,487 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:40:29,497 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~i~0;main_~i~0 := 0; 10#L4true [2018-11-28 23:40:29,497 INFO L796 eck$LassoCheckResult]: Loop: 10#L4true assume !!(main_~i~0 < 5);main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 5#L16true assume 3 != main_~i~0; 10#L4true [2018-11-28 23:40:29,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:40:29,505 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:40:29,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:40:29,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:40:29,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:40:29,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:40:29,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-11-28 23:40:29,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:40:29,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:40:29,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:40:29,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:40:29,640 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-11-28 23:40:29,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:40:29,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:40:29,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:40:29,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:40:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:40:29,767 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:40:29,874 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:40:29,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:40:29,876 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:40:29,876 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:40:29,876 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:40:29,876 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:40:29,877 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:40:29,877 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:40:29,877 INFO L131 ssoRankerPreferences]: Filename of dumped script: test_while_int_true-termination.c_false-unreach-call_1.i_Iteration1_Loop [2018-11-28 23:40:29,877 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:40:29,878 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:40:29,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:40:29,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:40:30,180 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 16 [2018-11-28 23:40:30,189 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:40:30,190 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 [2018-11-28 23:40:30,196 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:40:30,196 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:40:30,206 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:40:30,206 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=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 [2018-11-28 23:40:30,230 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:40:30,230 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:40:30,260 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:40:30,260 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:40:30,348 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:40:30,350 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:40:30,350 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:40:30,350 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:40:30,350 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:40:30,351 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:40:30,351 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:40:30,351 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:40:30,351 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:40:30,351 INFO L131 ssoRankerPreferences]: Filename of dumped script: test_while_int_true-termination.c_false-unreach-call_1.i_Iteration1_Loop [2018-11-28 23:40:30,351 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:40:30,351 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:40:30,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:40:30,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:40:30,620 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:40:30,809 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 16 [2018-11-28 23:40:30,810 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:40:30,816 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:40:30,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:40:30,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:40:30,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:40:30,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:40:30,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:40:30,821 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:40:30,824 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:40:30,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:40:30,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:40:30,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:40:30,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:40:30,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:40:30,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:40:30,830 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:40:30,830 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:40:30,833 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:40:30,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:40:30,850 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:40:30,858 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:40:30,859 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:40:30,861 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:40:30,861 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:40:30,861 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:40:30,862 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] [2018-11-28 23:40:30,863 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:40:30,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:40:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:40:30,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:40:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:40:30,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:40:30,984 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 23:40:31,000 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:40:31,001 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2018-11-28 23:40:31,179 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 5 states. [2018-11-28 23:40:31,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:40:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:40:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2018-11-28 23:40:31,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-28 23:40:31,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:40:31,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 23:40:31,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:40:31,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-28 23:40:31,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:40:31,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2018-11-28 23:40:31,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:40:31,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2018-11-28 23:40:31,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:40:31,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:40:31,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:40:31,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:40:31,208 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:40:31,208 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:40:31,208 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:40:31,209 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:40:31,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:40:31,210 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:40:31,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:40:31,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:40:31 BoogieIcfgContainer [2018-11-28 23:40:31,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:40:31,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:40:31,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:40:31,219 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:40:31,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:29" (3/4) ... [2018-11-28 23:40:31,225 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:40:31,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:40:31,227 INFO L168 Benchmark]: Toolchain (without parser) took 2602.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -92.1 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:40:31,229 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. [2018-11-28 23:40:31,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:40:31,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.11 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 23:40:31,238 INFO L168 Benchmark]: Boogie Preprocessor took 27.51 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 23:40:31,239 INFO L168 Benchmark]: RCFGBuilder took 341.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:40:31,242 INFO L168 Benchmark]: BuchiAutomizer took 1855.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:40:31,243 INFO L168 Benchmark]: Witness Printer took 7.35 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:40:31,253 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 322.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.11 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 27.51 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. * RCFGBuilder took 341.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1855.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.35 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: 6.8 MB). Peak memory consumption was 6.8 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 3 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...