./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-15/add_first_alloca_true-termination.c.i -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 b80c314f9b813935201d5b334c75f7a685c1e89b .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:22:16,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:22:16,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:22:16,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:22:16,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:22:16,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:22:16,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:22:16,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:22:16,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:22:16,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:22:16,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:22:16,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:22:16,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:22:16,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:22:16,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:22:16,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:22:16,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:22:16,626 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:22:16,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:22:16,634 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:22:16,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:22:16,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:22:16,639 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:22:16,639 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:22:16,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:22:16,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:22:16,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:22:16,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:22:16,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:22:16,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:22:16,647 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:22:16,648 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:22:16,648 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:22:16,648 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:22:16,649 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:22:16,650 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:22:16,650 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:22:16,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:22:16,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:22:16,675 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:22:16,675 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:22:16,679 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:22:16,679 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:22:16,679 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:22:16,679 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:22:16,679 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:22:16,680 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:22:16,680 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:22:16,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:22:16,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:22:16,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:22:16,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:22:16,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:22:16,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:22:16,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:22:16,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:22:16,682 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:22:16,683 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:22:16,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:22:16,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:22:16,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:22:16,684 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:22:16,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:22:16,684 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:22:16,685 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:22:16,686 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:22:16,687 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 -> b80c314f9b813935201d5b334c75f7a685c1e89b [2018-11-28 23:22:16,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:22:16,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:22:16,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:22:16,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:22:16,742 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:22:16,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i [2018-11-28 23:22:16,808 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84db4169e/5ebae3034d2441648d67a7ac686cf9ca/FLAG0fe640f62 [2018-11-28 23:22:17,333 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:22:17,334 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i [2018-11-28 23:22:17,345 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84db4169e/5ebae3034d2441648d67a7ac686cf9ca/FLAG0fe640f62 [2018-11-28 23:22:17,610 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84db4169e/5ebae3034d2441648d67a7ac686cf9ca [2018-11-28 23:22:17,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:22:17,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:22:17,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:22:17,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:22:17,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:22:17,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:22:17" (1/1) ... [2018-11-28 23:22:17,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fe42a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:17, skipping insertion in model container [2018-11-28 23:22:17,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:22:17" (1/1) ... [2018-11-28 23:22:17,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:22:17,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:22:18,074 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:22:18,092 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:22:18,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:22:18,262 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:22:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18 WrapperNode [2018-11-28 23:22:18,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:22:18,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:22:18,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:22:18,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:22:18,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:22:18,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:22:18,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:22:18,393 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:22:18,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... [2018-11-28 23:22:18,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:22:18,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:22:18,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:22:18,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:22:18,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:22:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:22:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:22:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:22:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:22:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:22:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:22:19,026 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:22:19,028 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:22:19,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:22:19 BoogieIcfgContainer [2018-11-28 23:22:19,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:22:19,031 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:22:19,031 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:22:19,036 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:22:19,037 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:22:19,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:22:17" (1/3) ... [2018-11-28 23:22:19,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600a088a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:22:19, skipping insertion in model container [2018-11-28 23:22:19,040 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:22:19,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:22:18" (2/3) ... [2018-11-28 23:22:19,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600a088a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:22:19, skipping insertion in model container [2018-11-28 23:22:19,041 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:22:19,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:22:19" (3/3) ... [2018-11-28 23:22:19,046 INFO L375 chiAutomizerObserver]: Analyzing ICFG add_first_alloca_true-termination.c.i [2018-11-28 23:22:19,119 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:22:19,120 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:22:19,120 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:22:19,120 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:22:19,121 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:22:19,121 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:22:19,121 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:22:19,121 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:22:19,121 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:22:19,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:22:19,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:22:19,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:22:19,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:22:19,165 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:22:19,165 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:22:19,165 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:22:19,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:22:19,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:22:19,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:22:19,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:22:19,168 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:22:19,168 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:22:19,177 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2018-11-28 23:22:19,177 INFO L796 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem208;havoc main_#t~mem207;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem210;havoc main_#t~mem209;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2018-11-28 23:22:19,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:22:19,184 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2018-11-28 23:22:19,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:22:19,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:22:19,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:22:19,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:22:19,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2018-11-28 23:22:19,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:22:19,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:22:19,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:22:19,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:22:19,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2018-11-28 23:22:19,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:22:19,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:22:19,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:22:19,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:22:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:22:19,557 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-28 23:22:19,672 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-28 23:22:20,065 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2018-11-28 23:22:20,170 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:22:20,171 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:22:20,171 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:22:20,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:22:20,171 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:22:20,172 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:22:20,172 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:22:20,172 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:22:20,172 INFO L131 ssoRankerPreferences]: Filename of dumped script: add_first_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:22:20,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:22:20,174 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:22:20,201 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 23:22:20,216 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 23:22:20,222 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 23:22:20,226 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 23:22:20,236 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 23:22:20,241 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 23:22:20,244 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 23:22:20,251 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 23:22:20,803 WARN L180 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2018-11-28 23:22:21,016 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-11-28 23:22:21,017 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 23:22:21,020 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 23:22:21,024 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 23:22:21,027 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 23:22:21,048 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 23:22:21,361 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:22:21,864 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:22:21,870 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:22:21,873 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 23:22:21,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,877 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,879 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,882 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 23:22:21,883 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,884 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,885 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,888 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 23:22:21,889 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,890 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,890 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,892 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 23:22:21,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,893 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,896 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:22:21,897 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:22:21,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,902 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 23:22:21,903 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,904 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,904 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,906 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 23:22:21,907 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,908 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,908 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,909 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,910 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,911 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 23:22:21,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:22:21,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,912 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,913 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:22:21,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:22:21,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:22:21,915 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 23:22:21,915 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:22:21,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:22:21,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:22:21,916 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:22:21,925 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:22:21,925 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:22:22,053 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:22:22,119 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-28 23:22:22,119 INFO L444 ModelExtractionUtils]: 19 out of 25 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-28 23:22:22,122 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:22:22,124 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:22:22,124 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:22:22,125 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset) = 1*ULTIMATE.start_main_~a~0.offset + 2 Supporting invariants [] [2018-11-28 23:22:22,276 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2018-11-28 23:22:22,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:22:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:22:22,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:22:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:22:22,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:22:22,391 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 23:22:22,411 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 23:22:22,412 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-28 23:22:22,464 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 5 states. [2018-11-28 23:22:22,464 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 23:22:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:22:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2018-11-28 23:22:22,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 23:22:22,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:22:22,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 23:22:22,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:22:22,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 23:22:22,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:22:22,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2018-11-28 23:22:22,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:22:22,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-28 23:22:22,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:22:22,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:22:22,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:22:22,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:22:22,480 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:22:22,480 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:22:22,481 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:22:22,481 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:22:22,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:22:22,481 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:22:22,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:22:22,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:22:22 BoogieIcfgContainer [2018-11-28 23:22:22,490 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:22:22,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:22:22,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:22:22,490 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:22:22,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:22:19" (3/4) ... [2018-11-28 23:22:22,495 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:22:22,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:22:22,496 INFO L168 Benchmark]: Toolchain (without parser) took 4882.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 950.0 MB in the beginning and 879.0 MB in the end (delta: 71.0 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:22:22,498 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 23:22:22,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.77 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 923.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:22:22,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:22:22,500 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:22:22,501 INFO L168 Benchmark]: RCFGBuilder took 589.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:22:22,502 INFO L168 Benchmark]: BuchiAutomizer took 3458.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 879.0 MB in the end (delta: 156.5 MB). Peak memory consumption was 156.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:22:22,503 INFO L168 Benchmark]: Witness Printer took 5.48 ms. Allocated memory is still 1.1 GB. Free memory is still 879.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:22:22,508 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 646.77 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 923.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 589.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3458.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 879.0 MB in the end (delta: 156.5 MB). Peak memory consumption was 156.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.48 ms. Allocated memory is still 1.1 GB. Free memory is still 879.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. 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: 13 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital132 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp55 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...