./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaB17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/termination-restricted-15/PastaB17.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b15653f6a2dde479fee065502d45075dfcaf4f25 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:58:50,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:58:50,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:58:50,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:58:50,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:58:50,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:58:50,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:58:50,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:58:50,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:58:50,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:58:50,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:58:50,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:58:50,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:58:50,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:58:50,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:58:50,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:58:50,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:58:50,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:58:50,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:58:50,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:58:50,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:58:50,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:58:50,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:58:50,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:58:50,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:58:50,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:58:50,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:58:50,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:58:50,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:58:50,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:58:50,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:58:50,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:58:50,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:58:50,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:58:50,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:58:50,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:58:50,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:58:50,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:58:50,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:58:50,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:58:50,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:58:50,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:58:50,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:58:50,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:58:50,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:58:50,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:58:50,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:58:50,320 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:58:50,320 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:58:50,321 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:58:50,321 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:58:50,321 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:58:50,321 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:58:50,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:58:50,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:58:50,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:58:50,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:58:50,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:58:50,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:58:50,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:58:50,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:58:50,324 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:58:50,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:58:50,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:58:50,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:58:50,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:58:50,325 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:58:50,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:58:50,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:58:50,326 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:58:50,327 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:58:50,328 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> b15653f6a2dde479fee065502d45075dfcaf4f25 [2019-11-28 02:58:50,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:58:50,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:58:50,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:58:50,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:58:50,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:58:50,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-11-28 02:58:50,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccdc8118/bf981edb162c44d9ac5b67e741b35362/FLAGf203de115 [2019-11-28 02:58:51,152 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:58:51,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-11-28 02:58:51,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccdc8118/bf981edb162c44d9ac5b67e741b35362/FLAGf203de115 [2019-11-28 02:58:51,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccdc8118/bf981edb162c44d9ac5b67e741b35362 [2019-11-28 02:58:51,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:58:51,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:58:51,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:58:51,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:58:51,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:58:51,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656aeee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51, skipping insertion in model container [2019-11-28 02:58:51,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:58:51,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:58:51,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:58:51,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:58:51,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:58:51,847 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:58:51,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51 WrapperNode [2019-11-28 02:58:51,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:58:51,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:58:51,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:58:51,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:58:51,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:58:51,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:58:51,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:58:51,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:58:51,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:51,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:52,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:52,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2019-11-28 02:58:52,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:58:52,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:58:52,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:58:52,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:58:52,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:58:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:58:52,221 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:58:52,222 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 02:58:52,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:52 BoogieIcfgContainer [2019-11-28 02:58:52,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:58:52,224 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:58:52,224 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:58:52,227 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:58:52,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:52,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:58:51" (1/3) ... [2019-11-28 02:58:52,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26730c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:52, skipping insertion in model container [2019-11-28 02:58:52,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:52,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (2/3) ... [2019-11-28 02:58:52,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26730c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:52, skipping insertion in model container [2019-11-28 02:58:52,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:52,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:52" (3/3) ... [2019-11-28 02:58:52,233 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaB17.c [2019-11-28 02:58:52,314 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:58:52,314 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:58:52,314 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:58:52,314 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:58:52,314 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:58:52,314 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:58:52,314 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:58:52,316 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:58:52,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 02:58:52,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 02:58:52,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:52,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:52,384 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:58:52,384 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:58:52,384 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:58:52,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 02:58:52,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 02:58:52,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:52,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:52,386 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:58:52,387 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:58:52,397 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2019-11-28 02:58:52,398 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 7#L14-2true assume !(main_~y~0 > main_~z~0); 6#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2019-11-28 02:58:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 02:58:52,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:52,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342645667] [2019-11-28 02:58:52,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:52,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:52,503 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-11-28 02:58:52,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:52,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704209880] [2019-11-28 02:58:52,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,519 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:52,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:52,521 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-11-28 02:58:52,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:52,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763962047] [2019-11-28 02:58:52,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:52,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:52,609 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:52,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:52,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:52,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:52,611 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:58:52,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:52,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:52,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:52,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-11-28 02:58:52,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:52,612 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:52,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:52,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:52,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:52,746 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:52,747 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:52,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:52,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:52,764 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:52,765 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:52,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:52,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:52,782 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:52,782 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:52,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:52,800 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:52,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:58:52,820 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,046 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:58:53,049 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:53,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:53,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:53,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:53,049 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:58:53,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:53,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:53,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-11-28 02:58:53,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:53,051 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:53,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,134 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:53,139 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:53,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:53,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:53,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:53,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:53,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:53,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:58:53,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:53,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:53,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:53,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:53,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:53,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:53,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:53,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:53,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:53,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:58:53,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:53,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:53,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:53,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:58:53,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:58:53,215 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:58:53,221 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 02:58:53,221 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:53,236 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:58:53,237 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:58:53,237 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:58:53,238 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-11-28 02:58:53,245 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:53,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:53,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:53,321 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:53,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:53,352 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 [2019-11-28 02:58:53,353 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-28 02:58:53,411 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-11-28 02:58:53,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:58:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-28 02:58:53,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-28 02:58:53,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:53,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-28 02:58:53,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:53,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-28 02:58:53,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:53,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-11-28 02:58:53,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:53,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 02:58:53,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 02:58:53,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 02:58:53,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 02:58:53,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:58:53,436 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:58:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 02:58:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-11-28 02:58:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 02:58:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-11-28 02:58:53,457 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 02:58:53,457 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 02:58:53,458 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:58:53,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-11-28 02:58:53,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:53,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:53,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:53,459 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 02:58:53,459 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 02:58:53,459 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2019-11-28 02:58:53,460 INFO L796 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2019-11-28 02:58:53,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:53,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 02:58:53,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:53,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370586541] [2019-11-28 02:58:53,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,469 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:53,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:53,470 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-11-28 02:58:53,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:53,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181135607] [2019-11-28 02:58:53,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:53,478 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-11-28 02:58:53,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:53,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160773211] [2019-11-28 02:58:53,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:53,492 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:53,511 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:53,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:53,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:53,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:53,513 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:58:53,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:53,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:53,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-11-28 02:58:53,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:53,514 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:53,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,585 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:53,586 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:53,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:53,595 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,600 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:53,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:53,611 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:58:53,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:53,832 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:58:53,834 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:53,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:53,834 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:53,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:53,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:58:53,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:53,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:53,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-11-28 02:58:53,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:53,836 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:53,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:53,893 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:53,893 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:53,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:53,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:53,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:53,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:53,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:53,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:53,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:53,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:53,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:53,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:58:53,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:53,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:53,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:53,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:58:53,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:58:53,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:58:53,969 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:58:53,969 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:53,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:58:53,979 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:58:53,979 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:58:53,979 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-11-28 02:58:53,990 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:54,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:54,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:54,034 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:54,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:54,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:58:54,035 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-11-28 02:58:54,046 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-11-28 02:58:54,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:58:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-28 02:58:54,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-28 02:58:54,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:54,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 02:58:54,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:54,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 02:58:54,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:54,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-11-28 02:58:54,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:58:54,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 02:58:54,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 02:58:54,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 02:58:54,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 02:58:54,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:58:54,051 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:54,051 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:54,051 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:54,051 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 02:58:54,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:58:54,051 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:58:54,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 02:58:54,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:58:54 BoogieIcfgContainer [2019-11-28 02:58:54,058 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 02:58:54,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:58:54,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:58:54,059 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:58:54,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:52" (3/4) ... [2019-11-28 02:58:54,063 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:58:54,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:58:54,066 INFO L168 Benchmark]: Toolchain (without parser) took 2504.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 952.3 MB in the beginning and 975.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 135.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:54,067 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:54,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.00 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:54,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:54,070 INFO L168 Benchmark]: Boogie Preprocessor took 22.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:54,070 INFO L168 Benchmark]: RCFGBuilder took 219.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:54,071 INFO L168 Benchmark]: BuchiAutomizer took 1834.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 159.1 MB). Peak memory consumption was 159.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:54,072 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 1.2 GB. Free memory is still 975.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:54,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.00 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 131.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1834.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 159.1 MB). Peak memory consumption was 159.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.84 ms. Allocated memory is still 1.2 GB. Free memory is still 975.1 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...