./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/b.03_assume-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 b76149a90863628db6af524c153a3f434b0c2e82 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:45:53,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:45:53,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:45:53,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:45:53,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:45:53,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:45:53,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:45:53,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:45:53,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:45:53,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:45:53,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:45:53,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:45:53,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:45:53,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:45:53,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:45:53,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:45:53,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:45:53,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:45:53,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:45:53,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:45:53,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:45:53,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:45:53,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:45:53,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:45:53,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:45:53,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:45:53,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:45:53,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:45:53,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:45:53,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:45:53,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:45:53,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:45:53,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:45:53,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:45:53,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:45:53,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:45:53,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:45:53,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:45:53,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:45:53,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:45:53,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:45:53,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:45:53,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:45:53,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:45:53,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:45:53,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:45:53,552 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:45:53,553 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:45:53,553 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:45:53,553 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:45:53,553 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:45:53,553 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:45:53,554 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:45:53,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:45:53,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:45:53,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:45:53,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:45:53,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:45:53,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:45:53,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:45:53,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:45:53,556 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:45:53,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:45:53,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:45:53,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:45:53,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:45:53,557 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:45:53,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:45:53,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:45:53,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:45:53,558 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:45:53,559 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:45:53,559 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 -> b76149a90863628db6af524c153a3f434b0c2e82 [2020-10-19 18:45:53,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:45:53,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:45:53,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:45:53,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:45:53,908 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:45:53,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2020-10-19 18:45:53,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e23944be/912ba43bf1d7488e9059904e6d9f9fb9/FLAG4106ce745 [2020-10-19 18:45:54,482 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:45:54,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2020-10-19 18:45:54,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e23944be/912ba43bf1d7488e9059904e6d9f9fb9/FLAG4106ce745 [2020-10-19 18:45:54,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e23944be/912ba43bf1d7488e9059904e6d9f9fb9 [2020-10-19 18:45:54,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:45:54,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:45:54,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:54,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:45:54,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:45:54,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:54" (1/1) ... [2020-10-19 18:45:54,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d60bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:54, skipping insertion in model container [2020-10-19 18:45:54,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:54" (1/1) ... [2020-10-19 18:45:54,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:45:54,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:45:55,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:55,247 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:45:55,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:55,367 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:45:55,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55 WrapperNode [2020-10-19 18:45:55,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:55,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:55,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:45:55,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:45:55,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:55,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:45:55,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:45:55,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:45:55,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (1/1) ... [2020-10-19 18:45:55,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:45:55,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:45:55,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:45:55,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:45:55,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (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 [2020-10-19 18:45:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:45:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:45:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:45:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:45:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:45:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:45:55,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:45:55,814 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:45:55,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:55 BoogieIcfgContainer [2020-10-19 18:45:55,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:45:55,817 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:45:55,817 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:45:55,822 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:45:55,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:55,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:45:54" (1/3) ... [2020-10-19 18:45:55,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@240d14fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:55, skipping insertion in model container [2020-10-19 18:45:55,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:55,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:55" (2/3) ... [2020-10-19 18:45:55,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@240d14fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:55, skipping insertion in model container [2020-10-19 18:45:55,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:55,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:55" (3/3) ... [2020-10-19 18:45:55,830 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.03_assume-alloca.i [2020-10-19 18:45:55,893 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:45:55,893 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:45:55,894 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:45:55,894 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:45:55,895 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:45:55,895 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:45:55,895 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:45:55,896 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:45:55,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:45:55,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:55,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:55,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:55,950 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:55,950 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:55,950 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:45:55,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:45:55,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:55,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:55,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:55,953 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:55,954 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:55,962 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y := main_#t~nondet16, main_#t~nondet17;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem15, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L553true assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 9#L556-5true [2020-10-19 18:45:55,963 INFO L796 eck$LassoCheckResult]: Loop: 9#L556-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 12#L556-1true assume !test_fun_#t~short10; 5#L556-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 7#L557true assume !(test_fun_#t~mem11 <= 0);havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 + test_fun_#t~mem14, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem13;havoc test_fun_#t~mem14; 9#L556-5true [2020-10-19 18:45:55,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:55,970 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-19 18:45:55,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:55,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98046893] [2020-10-19 18:45:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:56,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1298091, now seen corresponding path program 1 times [2020-10-19 18:45:56,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:56,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345738443] [2020-10-19 18:45:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:56,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345738443] [2020-10-19 18:45:56,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:45:56,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:45:56,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217320245] [2020-10-19 18:45:56,282 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:45:56,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:45:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:45:56,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:45:56,303 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2020-10-19 18:45:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:45:56,341 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2020-10-19 18:45:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:45:56,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-10-19 18:45:56,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:56,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 7 states and 7 transitions. [2020-10-19 18:45:56,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 18:45:56,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-10-19 18:45:56,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2020-10-19 18:45:56,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:56,351 INFO L691 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2020-10-19 18:45:56,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-19 18:45:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-19 18:45:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-10-19 18:45:56,381 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:56,381 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:56,381 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:45:56,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2020-10-19 18:45:56,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:56,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:56,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:56,383 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:56,383 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:56,383 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y := main_#t~nondet16, main_#t~nondet17;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~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem15, 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_~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 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 test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 35#L553 assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 36#L556-5 [2020-10-19 18:45:56,383 INFO L796 eck$LassoCheckResult]: Loop: 36#L556-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 40#L556-1 assume test_fun_#t~short10;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem9 <= 2147483647 - test_fun_#t~mem8; 37#L556-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 38#L557 assume !(test_fun_#t~mem11 <= 0);havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 + test_fun_#t~mem14, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem13;havoc test_fun_#t~mem14; 36#L556-5 [2020-10-19 18:45:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:56,384 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-19 18:45:56,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:56,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061940203] [2020-10-19 18:45:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,423 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1296169, now seen corresponding path program 1 times [2020-10-19 18:45:56,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:56,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782035081] [2020-10-19 18:45:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,461 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,470 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:56,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:56,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1806905932, now seen corresponding path program 1 times [2020-10-19 18:45:56,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:56,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163313308] [2020-10-19 18:45:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,531 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:56,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:56,561 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:56,727 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-19 18:45:57,028 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2020-10-19 18:45:57,146 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-19 18:45:57,161 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:57,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:57,163 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:57,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:57,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:57,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:57,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:57,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:57,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03_assume-alloca.i_Iteration2_Lasso [2020-10-19 18:45:57,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:57,172 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:57,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,469 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-19 18:45:57,576 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-10-19 18:45:57,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:57,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:45:58,078 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:58,085 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,093 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 [2020-10-19 18:45:58,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:58,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:58,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:58,108 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,145 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 [2020-10-19 18:45:58,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:58,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:58,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:58,151 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,182 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 [2020-10-19 18:45:58,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:58,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:58,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:58,188 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,220 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 [2020-10-19 18:45:58,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:58,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:58,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:58,224 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 [2020-10-19 18:45:58,248 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 [2020-10-19 18:45:58,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:58,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:58,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:58,252 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 [2020-10-19 18:45:58,278 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 [2020-10-19 18:45:58,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:58,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:58,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,324 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 [2020-10-19 18:45:58,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:58,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:58,350 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 [2020-10-19 18:45:58,379 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 [2020-10-19 18:45:58,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:58,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:58,418 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:45:58,463 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:58,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:58,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:58,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:58,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:58,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:58,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:58,510 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-19 18:45:58,510 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. 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) [2020-10-19 18:45:58,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:58,520 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:45:58,521 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:58,521 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2020-10-19 18:45:58,707 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-19 18:45:58,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:58,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:58,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:58,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:45:58,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:58,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:45:58,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:58,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:45:58,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:45:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:45:58,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-10-19 18:45:58,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-10-19 18:45:58,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 11 states and 12 transitions. Complement of second has 8 states. [2020-10-19 18:45:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:45:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-10-19 18:45:58,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2020-10-19 18:45:58,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:58,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:45:58,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:58,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2020-10-19 18:45:58,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:58,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2020-10-19 18:45:58,971 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:58,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-10-19 18:45:58,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:45:58,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:45:58,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:45:58,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:58,972 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:58,972 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:58,972 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:58,972 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:45:58,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:45:58,973 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:58,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:45:58,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:45:58 BoogieIcfgContainer [2020-10-19 18:45:58,980 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:45:58,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:45:58,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:45:58,981 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:45:58,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:55" (3/4) ... [2020-10-19 18:45:58,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:45:58,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:45:58,987 INFO L168 Benchmark]: Toolchain (without parser) took 4165.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 961.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:58,988 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:58,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:58,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.62 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. [2020-10-19 18:45:58,990 INFO L168 Benchmark]: Boogie Preprocessor took 26.50 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:58,991 INFO L168 Benchmark]: RCFGBuilder took 351.07 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:58,992 INFO L168 Benchmark]: BuchiAutomizer took 3162.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:58,993 INFO L168 Benchmark]: Witness Printer took 5.52 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. [2020-10-19 18:45:58,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 540.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.62 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 26.50 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.07 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3162.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 4 SDslu, 9 SDs, 0 SdLazy, 15 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax108 hnf99 lsp89 ukn69 mio100 lsp33 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 5 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...