./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/a.05-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 5313d851fadec6c1d632e24c5024506d6d98176e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:38:21,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:38:21,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:38:21,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:38:21,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:38:21,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:38:21,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:38:21,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:38:21,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:38:21,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:38:21,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:38:21,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:38:21,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:38:21,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:38:21,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:38:21,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:38:21,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:38:21,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:38:21,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:38:21,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:38:21,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:38:21,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:38:21,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:38:21,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:38:21,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:38:21,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:38:21,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:38:21,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:38:21,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:38:21,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:38:21,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:38:21,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:38:21,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:38:21,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:38:21,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:38:21,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:38:21,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:38:21,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:38:21,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:38:21,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:38:21,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:38:21,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:38:21,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:38:21,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:38:21,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:38:21,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:38:21,348 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:38:21,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:38:21,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:38:21,349 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:38:21,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:38:21,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:38:21,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:38:21,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:38:21,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:38:21,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:38:21,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:38:21,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:38:21,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:38:21,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:38:21,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:38:21,352 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:38:21,352 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:38:21,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:38:21,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:38:21,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:38:21,353 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:38:21,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:38:21,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:38:21,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:38:21,354 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:38:21,355 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:38:21,355 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 -> 5313d851fadec6c1d632e24c5024506d6d98176e [2020-10-20 06:38:21,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:38:21,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:38:21,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:38:21,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:38:21,575 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:38:21,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2020-10-20 06:38:21,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f74783/0522e8aaa0f24cdcbc6a1386003d1a6b/FLAG2ea0a89da [2020-10-20 06:38:22,241 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:38:22,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2020-10-20 06:38:22,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f74783/0522e8aaa0f24cdcbc6a1386003d1a6b/FLAG2ea0a89da [2020-10-20 06:38:22,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f74783/0522e8aaa0f24cdcbc6a1386003d1a6b [2020-10-20 06:38:22,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:38:22,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:38:22,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:22,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:38:22,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:38:22,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:22" (1/1) ... [2020-10-20 06:38:22,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5e3ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:22, skipping insertion in model container [2020-10-20 06:38:22,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:22" (1/1) ... [2020-10-20 06:38:22,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:38:22,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:38:22,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:22,948 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:38:23,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:23,071 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:38:23,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23 WrapperNode [2020-10-20 06:38:23,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:23,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:23,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:38:23,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:38:23,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:23,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:38:23,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:38:23,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:38:23,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... [2020-10-20 06:38:23,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:38:23,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:38:23,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:38:23,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:38:23,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:38:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:38:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:38:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:38:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:38:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:38:23,491 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:38:23,492 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:38:23,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:23 BoogieIcfgContainer [2020-10-20 06:38:23,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:38:23,495 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:38:23,495 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:38:23,499 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:38:23,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:23,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:38:22" (1/3) ... [2020-10-20 06:38:23,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af583ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:23, skipping insertion in model container [2020-10-20 06:38:23,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:23,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:23" (2/3) ... [2020-10-20 06:38:23,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af583ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:23, skipping insertion in model container [2020-10-20 06:38:23,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:23,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:23" (3/3) ... [2020-10-20 06:38:23,504 INFO L373 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2020-10-20 06:38:23,576 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:38:23,576 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:38:23,577 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:38:23,577 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:38:23,577 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:38:23,577 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:38:23,578 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:38:23,578 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:38:23,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:23,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:23,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:23,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:23,621 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:23,621 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:23,621 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:38:23,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:23,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:23,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:23,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:23,624 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:23,624 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:23,631 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem10, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L555-5true [2020-10-20 06:38:23,632 INFO L796 eck$LassoCheckResult]: Loop: 9#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 < 2147483647; 12#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 >= 1 + test_fun_#t~mem6; 6#L555-3true assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L555-5true [2020-10-20 06:38:23,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:38:23,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:23,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640748505] [2020-10-20 06:38:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:23,827 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:23,828 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2020-10-20 06:38:23,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:23,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033901256] [2020-10-20 06:38:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:23,870 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:23,872 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2020-10-20 06:38:23,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:23,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44508413] [2020-10-20 06:38:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:23,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:24,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:24,155 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-20 06:38:24,655 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2020-10-20 06:38:24,840 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-20 06:38:24,854 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:38:24,855 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:38:24,855 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:38:24,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:38:24,856 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:38:24,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:24,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:38:24,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:38:24,857 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2020-10-20 06:38:24,857 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:38:24,857 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:38:24,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:24,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:25,290 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-10-20 06:38:25,415 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-10-20 06:38:25,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:25,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:25,968 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:38:25,981 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) [2020-10-20 06:38:26,002 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 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,010 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) [2020-10-20 06:38:26,059 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 [2020-10-20 06:38:26,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,119 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 [2020-10-20 06:38:26,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,128 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) [2020-10-20 06:38:26,159 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 [2020-10-20 06:38:26,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 5 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 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 [2020-10-20 06:38:26,194 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 [2020-10-20 06:38:26,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:26,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:26,216 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,250 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 [2020-10-20 06:38:26,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,255 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) [2020-10-20 06:38:26,305 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 [2020-10-20 06:38:26,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:26,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,315 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 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,350 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 [2020-10-20 06:38:26,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,355 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,391 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 [2020-10-20 06:38:26,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:26,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:26,399 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 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 [2020-10-20 06:38:26,424 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 [2020-10-20 06:38:26,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,428 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 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 [2020-10-20 06:38:26,455 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 [2020-10-20 06:38:26,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:26,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:26,473 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 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,507 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 [2020-10-20 06:38:26,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:26,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:26,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:26,513 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 [2020-10-20 06:38:26,536 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 [2020-10-20 06:38:26,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:26,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:26,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:26,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:26,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:26,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:26,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:38:26,604 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 06:38:26,604 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:26,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:38:26,623 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:38:26,624 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:38:26,624 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2020-10-20 06:38:26,753 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-10-20 06:38:26,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:38:26,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:26,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:38:26,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:26,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:38:26,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:26,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:38:26,931 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 [2020-10-20 06:38:26,932 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2020-10-20 06:38:27,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 35 states and 38 transitions. Complement of second has 9 states. [2020-10-20 06:38:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:38:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:38:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2020-10-20 06:38:27,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2020-10-20 06:38:27,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:27,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-20 06:38:27,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:27,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2020-10-20 06:38:27,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:27,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2020-10-20 06:38:27,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:27,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-10-20 06:38:27,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:38:27,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:38:27,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:38:27,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:38:27,086 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:27,086 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:27,086 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:27,086 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:38:27,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:38:27,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:27,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:38:27,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:38:27 BoogieIcfgContainer [2020-10-20 06:38:27,094 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:38:27,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:38:27,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:38:27,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:38:27,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:23" (3/4) ... [2020-10-20 06:38:27,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:38:27,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:38:27,105 INFO L168 Benchmark]: Toolchain (without parser) took 4524.25 ms. Allocated memory was 40.9 MB in the beginning and 64.0 MB in the end (delta: 23.1 MB). Free memory was 19.7 MB in the beginning and 42.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 535.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,106 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.60 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 18.7 MB in the beginning and 26.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 43.5 MB. Free memory was 26.5 MB in the beginning and 24.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,109 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 43.5 MB. Free memory was 24.7 MB in the beginning and 23.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,110 INFO L168 Benchmark]: RCFGBuilder took 351.08 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 23.2 MB in the beginning and 26.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,111 INFO L168 Benchmark]: BuchiAutomizer took 3599.53 ms. Allocated memory was 46.1 MB in the beginning and 64.0 MB in the end (delta: 17.8 MB). Free memory was 25.8 MB in the beginning and 42.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:27,112 INFO L168 Benchmark]: Witness Printer took 8.67 ms. Allocated memory is still 64.0 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:38:27,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 484.60 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 18.7 MB in the beginning and 26.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 43.5 MB. Free memory was 26.5 MB in the beginning and 24.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 43.5 MB. Free memory was 24.7 MB in the beginning and 23.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 351.08 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 23.2 MB in the beginning and 26.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3599.53 ms. Allocated memory was 46.1 MB in the beginning and 64.0 MB in the end (delta: 17.8 MB). Free memory was 25.8 MB in the beginning and 42.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Witness Printer took 8.67 ms. Allocated memory is still 64.0 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 14.3 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 -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 6 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital245 mio100 ax107 hnf100 lsp90 ukn65 mio100 lsp34 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...