./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/HarrisLalNoriRajamani-2010SAS-Fig3-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 cb3e7c70ff280d693624878e8ba9ec05355aa785 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:18:57,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:18:57,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:18:57,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:18:57,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:18:57,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:18:57,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:18:57,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:18:57,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:18:57,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:18:57,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:18:57,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:18:57,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:18:57,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:18:57,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:18:57,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:18:57,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:18:57,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:18:57,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:18:57,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:18:57,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:18:57,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:18:57,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:18:57,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:18:57,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:18:57,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:18:57,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:18:57,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:18:57,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:18:57,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:18:57,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:18:57,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:18:57,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:18:57,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:18:57,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:18:57,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:18:57,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:18:57,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:18:57,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:18:57,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:18:57,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:18:57,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:18:57,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:18:57,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:18:57,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:18:57,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:18:57,710 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:18:57,710 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:18:57,710 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:18:57,711 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:18:57,711 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:18:57,711 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:18:57,712 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:18:57,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:18:57,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:18:57,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:18:57,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:18:57,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:18:57,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:18:57,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:18:57,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:18:57,714 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:18:57,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:18:57,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:18:57,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:18:57,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:18:57,715 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:18:57,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:18:57,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:18:57,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:18:57,716 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:18:57,717 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:18:57,717 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb3e7c70ff280d693624878e8ba9ec05355aa785 [2020-10-26 04:18:58,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:18:58,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:18:58,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:18:58,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:18:58,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:18:58,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-10-26 04:18:58,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fd9f9e2/af62649533e7457aac4cbbdc6d262b7e/FLAG99fc654fe [2020-10-26 04:18:59,017 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:18:59,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-10-26 04:18:59,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fd9f9e2/af62649533e7457aac4cbbdc6d262b7e/FLAG99fc654fe [2020-10-26 04:18:59,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fd9f9e2/af62649533e7457aac4cbbdc6d262b7e [2020-10-26 04:18:59,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:18:59,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:18:59,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:18:59,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:18:59,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:18:59,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:18:59,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a635656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59, skipping insertion in model container [2020-10-26 04:18:59,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:18:59,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:18:59,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:18:59,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:18:59,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:18:59,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:18:59,978 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:18:59,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59 WrapperNode [2020-10-26 04:18:59,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:18:59,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:18:59,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:18:59,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:18:59,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:19:00,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:19:00,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:19:00,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:19:00,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (1/1) ... [2020-10-26 04:19:00,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:19:00,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:19:00,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:19:00,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:19:00,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (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 [2020-10-26 04:19:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:19:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:19:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:19:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:19:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:19:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:19:00,379 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:19:00,380 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:19:00,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:00 BoogieIcfgContainer [2020-10-26 04:19:00,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:19:00,383 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:19:00,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:19:00,387 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:19:00,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:00,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:18:59" (1/3) ... [2020-10-26 04:19:00,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c6bab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:19:00, skipping insertion in model container [2020-10-26 04:19:00,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:00,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:59" (2/3) ... [2020-10-26 04:19:00,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c6bab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:19:00, skipping insertion in model container [2020-10-26 04:19:00,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:00,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:00" (3/3) ... [2020-10-26 04:19:00,393 INFO L373 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-10-26 04:19:00,463 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:19:00,463 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:19:00,463 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:19:00,464 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:19:00,464 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:19:00,464 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:19:00,464 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:19:00,464 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:19:00,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:19:00,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:19:00,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:00,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:00,510 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:19:00,510 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:19:00,511 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:19:00,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:19:00,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:19:00,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:00,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:00,513 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:19:00,513 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:19:00,521 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; 3#L-1true havoc main_#res;havoc main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet7, main_#t~ret8, main_#t~ret9, main_#t~mem6;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);~x~0.base, ~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5; 5#L555-2true [2020-10-26 04:19:00,521 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-2true call main_#t~mem6 := read~int(~x~0.base, ~x~0.offset, 4); 6#L554-1true assume !!(main_#t~mem6 > 0);havoc main_#t~mem6; 12#L555true assume 0 != main_#t~nondet7;havoc main_#t~nondet7;havoc foo_#res;havoc foo_#t~mem2, foo_#t~post3;call foo_#t~mem2 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3 := foo_#t~mem2;call write~int(foo_#t~post3 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~mem2;havoc foo_#t~post3; 4#L548true main_#t~ret8 := foo_#res;havoc main_#t~ret8; 5#L555-2true [2020-10-26 04:19:00,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:00,528 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-26 04:19:00,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:00,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120302849] [2020-10-26 04:19:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,777 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:00,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:00,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1144072, now seen corresponding path program 1 times [2020-10-26 04:19:00,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:00,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129177945] [2020-10-26 04:19:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,806 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:00,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:00,808 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-10-26 04:19:00,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:00,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420883504] [2020-10-26 04:19:00,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:00,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:00,848 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:01,065 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-10-26 04:19:01,130 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:19:01,131 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:19:01,131 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:19:01,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:19:01,132 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:19:01,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:01,132 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:19:01,132 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:19:01,132 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i_Iteration1_Lasso [2020-10-26 04:19:01,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:19:01,133 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:19:01,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:01,629 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:19:01,635 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) [2020-10-26 04:19:01,644 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 [2020-10-26 04:19:01,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:01,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:01,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:01,661 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) [2020-10-26 04:19:01,701 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 [2020-10-26 04:19:01,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:01,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:01,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:01,710 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 [2020-10-26 04:19:01,747 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 [2020-10-26 04:19:01,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:01,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:01,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:01,758 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 [2020-10-26 04:19:01,802 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 [2020-10-26 04:19:01,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:01,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:01,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:01,813 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 [2020-10-26 04:19:01,850 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 [2020-10-26 04:19:01,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:01,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:01,868 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) [2020-10-26 04:19:01,910 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 [2020-10-26 04:19:01,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:01,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:01,920 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) [2020-10-26 04:19:01,958 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 [2020-10-26 04:19:01,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:01,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:01,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:01,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:01,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:01,965 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 [2020-10-26 04:19:01,969 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) [2020-10-26 04:19:02,004 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:02,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:02,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,006 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:19:02,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,007 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:19:02,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:02,010 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 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 [2020-10-26 04:19:02,046 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 [2020-10-26 04:19:02,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:02,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:02,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:02,051 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) [2020-10-26 04:19:02,093 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 [2020-10-26 04:19:02,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:02,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:02,110 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 [2020-10-26 04:19:02,149 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 [2020-10-26 04:19:02,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:02,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:02,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:02,153 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 [2020-10-26 04:19:02,189 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 [2020-10-26 04:19:02,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:02,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:02,201 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) [2020-10-26 04:19:02,228 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 [2020-10-26 04:19:02,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:02,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:02,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:02,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 14 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 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 [2020-10-26 04:19:02,275 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 [2020-10-26 04:19:02,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:02,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:02,285 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:19:02,322 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 [2020-10-26 04:19:02,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:02,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:02,340 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:02,378 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 [2020-10-26 04:19:02,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:02,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:02,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:02,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:02,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:02,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:02,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:19:02,409 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 04:19:02,409 INFO L444 ModelExtractionUtils]: 2 out of 7 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:19:02,421 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:02,424 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:19:02,429 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:19:02,430 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1) = 1*v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1 Supporting invariants [] [2020-10-26 04:19:02,473 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-26 04:19:02,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:19:02,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:02,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:19:02,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:02,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:19:02,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:02,677 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-10-26 04:19:02,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-26 04:19:02,685 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 04:19:02,685 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-26 04:19:02,685 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:19 [2020-10-26 04:19:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:19:02,720 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 [2020-10-26 04:19:02,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2020-10-26 04:19:02,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 24 states and 29 transitions. Complement of second has 9 states. [2020-10-26 04:19:02,783 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 [2020-10-26 04:19:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:19:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2020-10-26 04:19:02,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-26 04:19:02,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:02,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-26 04:19:02,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:02,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-26 04:19:02,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:02,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2020-10-26 04:19:02,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:19:02,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 04:19:02,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:19:02,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:19:02,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:19:02,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:19:02,799 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:02,800 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:02,800 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:02,800 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:19:02,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:19:02,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:19:02,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:19:02,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:19:02 BoogieIcfgContainer [2020-10-26 04:19:02,807 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:19:02,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:19:02,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:19:02,808 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:19:02,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:00" (3/4) ... [2020-10-26 04:19:02,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:19:02,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:19:02,814 INFO L168 Benchmark]: Toolchain (without parser) took 3422.61 ms. Allocated memory was 39.8 MB in the beginning and 73.4 MB in the end (delta: 33.6 MB). Free memory was 24.8 MB in the beginning and 32.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,815 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 39.8 MB. Free memory was 22.6 MB in the beginning and 22.6 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:19:02,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.52 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 24.1 MB in the beginning and 22.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.56 ms. Allocated memory is still 48.2 MB. Free memory was 22.8 MB in the beginning and 21.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,818 INFO L168 Benchmark]: Boogie Preprocessor took 37.43 ms. Allocated memory is still 48.2 MB. Free memory was 21.0 MB in the beginning and 32.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,819 INFO L168 Benchmark]: RCFGBuilder took 309.25 ms. Allocated memory is still 48.2 MB. Free memory was 32.4 MB in the beginning and 20.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,820 INFO L168 Benchmark]: BuchiAutomizer took 2424.47 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 20.1 MB in the beginning and 33.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:02,821 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 73.4 MB. Free memory was 33.0 MB in the beginning and 32.5 MB in the end (delta: 443.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:19:02,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 39.8 MB. Free memory was 22.6 MB in the beginning and 22.6 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.52 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 24.1 MB in the beginning and 22.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.56 ms. Allocated memory is still 48.2 MB. Free memory was 22.8 MB in the beginning and 21.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.43 ms. Allocated memory is still 48.2 MB. Free memory was 21.0 MB in the beginning and 32.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 309.25 ms. Allocated memory is still 48.2 MB. Free memory was 32.4 MB in the beginning and 20.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2424.47 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 20.1 MB in the beginning and 33.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 73.4 MB. Free memory was 33.0 MB in the beginning and 32.5 MB in the end (delta: 443.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 7 SDtfs, 6 SDslu, 15 SDs, 0 SdLazy, 12 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax117 hnf100 lsp76 ukn69 mio100 lsp39 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms 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...