./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --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-memory-alloca/genady-alloca.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 2f927f4255c7cccf769428cf5a40267dd3884041 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:01:51,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:01:51,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:01:51,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:01:51,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:01:51,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:01:51,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:01:51,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:01:51,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:01:51,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:01:51,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:01:51,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:01:51,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:01:51,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:01:51,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:01:51,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:01:51,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:01:51,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:01:51,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:01:51,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:01:51,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:01:51,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:01:51,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:01:51,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:01:51,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:01:51,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:01:51,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:01:51,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:01:51,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:01:51,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:01:51,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:01:51,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:01:51,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:01:51,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:01:51,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:01:51,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:01:51,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:01:51,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:01:51,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:01:51,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:01:51,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:01:51,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:01:51,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:01:51,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:01:51,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:01:51,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:01:51,359 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:01:51,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:01:51,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:01:51,360 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:01:51,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:01:51,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:01:51,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:01:51,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:01:51,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:01:51,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:01:51,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:01:51,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:01:51,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:01:51,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:01:51,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:01:51,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:01:51,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:01:51,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:01:51,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:01:51,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:01:51,365 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:01:51,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:01:51,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:01:51,365 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:01:51,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:01:51,367 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 -> 2f927f4255c7cccf769428cf5a40267dd3884041 [2019-11-28 03:01:51,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:01:51,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:01:51,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:01:51,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:01:51,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:01:51,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2019-11-28 03:01:51,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9462bac9/bbf1100b735a41c094f91dc6c3a3afc0/FLAGfeaefb6b0 [2019-11-28 03:01:52,348 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:01:52,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2019-11-28 03:01:52,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9462bac9/bbf1100b735a41c094f91dc6c3a3afc0/FLAGfeaefb6b0 [2019-11-28 03:01:52,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9462bac9/bbf1100b735a41c094f91dc6c3a3afc0 [2019-11-28 03:01:52,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:52,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:52,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:52,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:52,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:52,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:52" (1/1) ... [2019-11-28 03:01:52,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51abed86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:52, skipping insertion in model container [2019-11-28 03:01:52,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:52" (1/1) ... [2019-11-28 03:01:52,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:52,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:53,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:53,059 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:53,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:53,186 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:53,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53 WrapperNode [2019-11-28 03:01:53,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:53,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:53,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:53,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:53,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:53,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:53,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:53,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:53,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (1/1) ... [2019-11-28 03:01:53,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:53,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:53,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:53,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:53,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (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 03:01:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:53,612 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:53,612 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 03:01:53,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:53 BoogieIcfgContainer [2019-11-28 03:01:53,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:53,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:53,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:53,619 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:53,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:53,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:52" (1/3) ... [2019-11-28 03:01:53,621 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a2f95c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:53, skipping insertion in model container [2019-11-28 03:01:53,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:53,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:53" (2/3) ... [2019-11-28 03:01:53,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a2f95c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:53, skipping insertion in model container [2019-11-28 03:01:53,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:53,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:53" (3/3) ... [2019-11-28 03:01:53,624 INFO L371 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2019-11-28 03:01:53,678 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:53,678 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:53,679 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:53,679 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:53,679 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:53,680 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:53,680 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:53,680 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:53,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-28 03:01:53,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:53,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:53,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:53,723 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:53,723 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:53,723 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:53,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-28 03:01:53,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:53,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:53,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:53,725 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:53,725 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:53,732 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~j~0.base, main_~j~0.offset, 4);call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); 6#L550-4true [2019-11-28 03:01:53,732 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); 11#L550-1true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem7;havoc main_#t~mem6;call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4);main_#t~post9 := main_#t~mem8;call write~int(1 + main_#t~post9, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~post9;havoc main_#t~mem8; 5#L550-3true call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~post5;havoc main_#t~mem4; 6#L550-4true [2019-11-28 03:01:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:53,737 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 03:01:53,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:53,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140179691] [2019-11-28 03:01:53,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:53,901 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:53,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:53,903 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2019-11-28 03:01:53,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:53,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802491776] [2019-11-28 03:01:53,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:53,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2019-11-28 03:01:53,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:53,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315750886] [2019-11-28 03:01:53,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:54,066 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:54,394 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-11-28 03:01:54,492 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:54,493 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:54,493 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:54,493 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:54,493 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:54,493 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:54,494 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:54,494 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:54,494 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2019-11-28 03:01:54,494 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:54,495 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:54,529 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 03:01:54,538 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 03:01:54,540 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 03:01:54,543 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 03:01:54,546 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 03:01:54,809 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-11-28 03:01:54,910 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 03:01:54,917 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 03:01:54,921 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 03:01:54,924 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 03:01:54,927 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 03:01:54,933 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 03:01:54,937 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 03:01:54,941 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 03:01:55,373 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:55,378 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:01:55,386 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 03:01:55,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:55,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:55,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:55,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:55,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:55,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:55,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:55,397 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:55,412 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 03:01:55,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:55,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:55,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:55,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:55,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:55,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:55,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:55,418 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:55,433 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 03:01:55,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:55,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:55,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:55,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:55,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:55,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:55,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:55,440 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:55,453 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 03:01:55,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:55,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:55,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:55,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:55,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:55,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:55,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:55,462 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 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 03:01:55,476 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 03:01:55,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:55,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:55,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:55,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:55,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:55,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:55,508 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:55,586 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-28 03:01:55,587 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. 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 03:01:55,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:55,675 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:01:55,675 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:55,676 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 >= 0] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:01:55,740 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 03:01:55,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:55,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:01:55,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:55,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:55,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:55,936 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:01:55,936 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-28 03:01:55,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:55,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 03:01:55,945 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:01:55,986 INFO L588 ElimStorePlain]: treesize reduction 67, result has 34.3 percent of original size [2019-11-28 03:01:55,987 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:01:55,987 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:35 [2019-11-28 03:01:56,016 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 03:01:56,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:01:56,037 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2019-11-28 03:01:56,149 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 20 states and 22 transitions. Complement of second has 9 states. [2019-11-28 03:01:56,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2019-11-28 03:01:56,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 03:01:56,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:56,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 03:01:56,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:56,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 03:01:56,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:56,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2019-11-28 03:01:56,167 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:56,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-28 03:01:56,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:56,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:56,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:56,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:56,175 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:56,175 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:56,175 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:56,176 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:56,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:56,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:56,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:56,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:56 BoogieIcfgContainer [2019-11-28 03:01:56,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:56,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:56,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:56,187 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:56,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:53" (3/4) ... [2019-11-28 03:01:56,194 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:56,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:56,197 INFO L168 Benchmark]: Toolchain (without parser) took 3572.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.0 MB in the beginning and 841.9 MB in the end (delta: 117.2 MB). Peak memory consumption was 248.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:56,199 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:56,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:56,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:56,206 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:56,207 INFO L168 Benchmark]: RCFGBuilder took 363.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:56,209 INFO L168 Benchmark]: BuchiAutomizer took 2570.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 245.6 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:56,214 INFO L168 Benchmark]: Witness Printer took 7.48 ms. Allocated memory is still 1.2 GB. Free memory is still 841.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:56,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 562.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 363.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2570.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 245.6 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.48 ms. Allocated memory is still 1.2 GB. Free memory is still 841.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 5 SDtfs, 4 SDslu, 9 SDs, 0 SdLazy, 11 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf100 lsp89 ukn57 mio100 lsp41 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 210ms VariablesStem: 2 VariablesLoop: 4 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...