./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.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-linkedlists/cll_search-alloca-2.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 34137da927ca86d2fb49adf8270ebc903b8c1dbe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:48:21,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:48:21,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:48:21,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:48:21,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:48:21,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:48:21,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:48:21,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:48:21,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:48:21,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:48:21,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:48:21,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:48:21,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:48:21,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:48:21,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:48:21,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:48:21,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:48:21,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:48:21,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:48:21,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:48:21,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:48:21,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:48:21,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:48:21,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:48:21,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:48:21,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:48:21,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:48:21,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:48:21,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:48:21,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:48:21,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:48:21,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:48:21,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:48:21,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:48:21,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:48:21,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:48:21,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:48:21,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:48:21,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:48:21,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:48:21,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:48:21,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:48:21,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:48:21,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:48:21,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:48:21,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:48:21,492 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:48:21,492 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:48:21,493 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:48:21,493 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:48:21,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:48:21,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:48:21,494 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:48:21,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:48:21,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:48:21,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:48:21,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:48:21,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:48:21,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:48:21,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:48:21,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:48:21,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:48:21,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:48:21,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:48:21,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:48:21,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:48:21,498 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:48:21,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:48:21,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:48:21,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:48:21,499 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:48:21,500 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:48:21,500 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 -> 34137da927ca86d2fb49adf8270ebc903b8c1dbe [2020-10-19 18:48:21,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:48:21,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:48:21,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:48:21,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:48:21,836 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:48:21,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2020-10-19 18:48:21,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68d0c92a/7c646655fb054458bc9eb7d501ba44b7/FLAG980b9dfad [2020-10-19 18:48:22,413 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:48:22,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2020-10-19 18:48:22,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68d0c92a/7c646655fb054458bc9eb7d501ba44b7/FLAG980b9dfad [2020-10-19 18:48:22,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68d0c92a/7c646655fb054458bc9eb7d501ba44b7 [2020-10-19 18:48:22,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:48:22,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:48:22,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:48:22,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:48:22,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:48:22,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:48:22" (1/1) ... [2020-10-19 18:48:22,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7468445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:22, skipping insertion in model container [2020-10-19 18:48:22,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:48:22" (1/1) ... [2020-10-19 18:48:22,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:48:22,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:48:23,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:48:23,195 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:48:23,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:48:23,289 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:48:23,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23 WrapperNode [2020-10-19 18:48:23,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:48:23,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:48:23,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:48:23,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:48:23,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:48:23,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:48:23,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:48:23,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:48:23,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... [2020-10-19 18:48:23,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:48:23,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:48:23,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:48:23,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:48:23,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:48:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:48:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:48:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:48:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:48:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:48:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:48:23,754 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:48:23,755 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-19 18:48:23,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:23 BoogieIcfgContainer [2020-10-19 18:48:23,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:48:23,758 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:48:23,758 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:48:23,762 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:48:23,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:23,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:48:22" (1/3) ... [2020-10-19 18:48:23,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4d6fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:48:23, skipping insertion in model container [2020-10-19 18:48:23,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:23,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:23" (2/3) ... [2020-10-19 18:48:23,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4d6fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:48:23, skipping insertion in model container [2020-10-19 18:48:23,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:23,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:23" (3/3) ... [2020-10-19 18:48:23,768 INFO L373 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2020-10-19 18:48:23,819 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:48:23,819 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:48:23,819 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:48:23,820 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:48:23,820 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:48:23,820 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:48:23,820 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:48:23,820 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:48:23,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:48:23,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:48:23,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:23,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:23,863 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:48:23,863 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:48:23,863 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:48:23,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:48:23,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:48:23,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:23,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:23,866 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:48:23,866 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:48:23,874 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 13#L552-3true [2020-10-19 18:48:23,874 INFO L796 eck$LassoCheckResult]: Loop: 13#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 11#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 13#L552-3true [2020-10-19 18:48:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:23,881 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 18:48:23,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:23,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287965912] [2020-10-19 18:48:23,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,052 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:24,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:24,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-10-19 18:48:24,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:24,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100337633] [2020-10-19 18:48:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:24,135 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-10-19 18:48:24,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:24,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157979000] [2020-10-19 18:48:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:24,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:24,211 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:24,494 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-10-19 18:48:24,569 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:24,700 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-19 18:48:24,701 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:24,709 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:24,819 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-19 18:48:24,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:24,823 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:24,824 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2020-10-19 18:48:24,936 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-19 18:48:25,110 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-10-19 18:48:25,193 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:48:25,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:48:25,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:48:25,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:48:25,195 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:48:25,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:25,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:48:25,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:48:25,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2020-10-19 18:48:25,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:48:25,196 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:48:25,221 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 18:48:25,230 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 18:48:25,233 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 18:48:25,236 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 18:48:25,239 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 18:48:25,242 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 18:48:25,246 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 18:48:25,249 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 18:48:25,252 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 18:48:25,255 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 18:48:25,259 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 18:48:25,261 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 18:48:25,595 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-10-19 18:48:25,596 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 18:48:26,028 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:48:26,033 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) [2020-10-19 18:48:26,043 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 18:48:26,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,056 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) [2020-10-19 18:48:26,096 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 18:48:26,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,100 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 [2020-10-19 18:48:26,102 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 18:48:26,127 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 18:48:26,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,134 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 18:48:26,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:48:26,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 18:48:26,191 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 18:48:26,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,211 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 18:48:26,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:48:26,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,269 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 18:48:26,294 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 18:48:26,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,305 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 18:48:26,345 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 18:48:26,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:26,415 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 18:48:26,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,464 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 18:48:26,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,468 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 [2020-10-19 18:48:26,494 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 18:48:26,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,497 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 [2020-10-19 18:48:26,525 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 18:48:26,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,554 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 18:48:26,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,568 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 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 [2020-10-19 18:48:26,613 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 18:48:26,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,625 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,653 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 18:48:26,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,676 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 [2020-10-19 18:48:26,700 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 18:48:26,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,712 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,737 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 18:48:26,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,742 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 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,767 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 18:48:26,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,782 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,822 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 18:48:26,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,833 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,870 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 18:48:26,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:26,875 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 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,900 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 18:48:26,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,909 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:26,931 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 18:48:26,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:26,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:26,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,940 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 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:26,964 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 18:48:26,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:26,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:26,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:26,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:26,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:26,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:26,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:48:27,135 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 18:48:27,135 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:27,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:27,151 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:48:27,152 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:48:27,152 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2020-10-19 18:48:27,208 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-19 18:48:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:48:27,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:48:27,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:48:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:48:27,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:48:27,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:48:27,310 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 18:48:27,329 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:48:27,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-10-19 18:48:27,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 30 states and 39 transitions. Complement of second has 7 states. [2020-10-19 18:48:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:48:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:48:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2020-10-19 18:48:27,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-19 18:48:27,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:27,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 18:48:27,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:27,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-19 18:48:27,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:27,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2020-10-19 18:48:27,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:48:27,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2020-10-19 18:48:27,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-19 18:48:27,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-10-19 18:48:27,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-10-19 18:48:27,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:48:27,415 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-19 18:48:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-10-19 18:48:27,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-10-19 18:48:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-19 18:48:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2020-10-19 18:48:27,443 INFO L714 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-19 18:48:27,443 INFO L594 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-19 18:48:27,444 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:48:27,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2020-10-19 18:48:27,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:48:27,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:27,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:27,445 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:48:27,445 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:48:27,446 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 93#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 94#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 95#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 96#L559 main_#t~ret8.base, main_#t~ret8.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;search_#in~head.base, search_#in~head.offset, search_#in~i := main_~head~1.base, main_~head~1.offset, main_#t~nondet9;havoc search_#t~mem6.base, search_#t~mem6.offset, search_#t~mem5, search_~head.base, search_~head.offset, search_~i, search_~curr~1.base, search_~curr~1.offset;search_~head.base, search_~head.offset := search_#in~head.base, search_#in~head.offset;search_~i := search_#in~i;search_~curr~1.base, search_~curr~1.offset := search_~head.base, search_~head.offset; 98#L564-3 [2020-10-19 18:48:27,446 INFO L796 eck$LassoCheckResult]: Loop: 98#L564-3 call search_#t~mem5 := read~int(search_~curr~1.base, search_~curr~1.offset, 4); 97#L564-1 assume !!(search_#t~mem5 != search_~i);havoc search_#t~mem5;call search_#t~mem6.base, search_#t~mem6.offset := read~$Pointer$(search_~curr~1.base, 4 + search_~curr~1.offset, 8);search_~curr~1.base, search_~curr~1.offset := search_#t~mem6.base, search_#t~mem6.offset;havoc search_#t~mem6.base, search_#t~mem6.offset; 98#L564-3 [2020-10-19 18:48:27,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2020-10-19 18:48:27,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:27,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768013347] [2020-10-19 18:48:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:27,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:27,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2020-10-19 18:48:27,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:27,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63379767] [2020-10-19 18:48:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:27,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1807951500, now seen corresponding path program 1 times [2020-10-19 18:48:27,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:27,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578437598] [2020-10-19 18:48:27,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:27,604 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:27,615 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:28,163 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-10-19 18:48:28,180 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:28,335 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-19 18:48:28,335 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:28,342 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:28,479 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-19 18:48:28,480 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:28,482 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-19 18:48:28,482 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:189, output treesize:165 [2020-10-19 18:48:28,615 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-19 18:48:28,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:48:28 BoogieIcfgContainer [2020-10-19 18:48:28,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:48:28,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:48:28,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:48:28,650 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:48:28,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:23" (3/4) ... [2020-10-19 18:48:28,655 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 18:48:28,700 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:48:28,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:48:28,702 INFO L168 Benchmark]: Toolchain (without parser) took 5979.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 960.0 MB in the beginning and 938.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,703 INFO L168 Benchmark]: CDTParser took 0.26 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 18:48:28,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,705 INFO L168 Benchmark]: Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,706 INFO L168 Benchmark]: RCFGBuilder took 380.19 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,707 INFO L168 Benchmark]: BuchiAutomizer took 4891.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 138.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,708 INFO L168 Benchmark]: Witness Printer took 50.28 ms. Allocated memory is still 1.2 GB. Free memory was 945.8 MB in the beginning and 938.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:28,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 561.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 380.19 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4891.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 138.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.28 ms. Allocated memory is still 1.2 GB. Free memory was 945.8 MB in the beginning and 938.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 10 SDslu, 16 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, curr=-1, \result=0, head=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@648ea144=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f65b392=0, next_node=0, \result=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@338cda5c=16, next_node=0, head=-1, head=-1, \old(i)=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@648ea144=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@1b5d91d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3436c808=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@170114e9=0, i=16, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e655fe4=0, head=-1, \old(n)=0, n=0, head=-1, head=0, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3525542b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e655fe4=0, curr=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3525542b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3436c808=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...