./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-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 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:48:15,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:48:15,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:48:15,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:48:15,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:48:15,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:48:15,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:48:15,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:48:15,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:48:15,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:48:15,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:48:15,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:48:15,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:48:15,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:48:15,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:48:15,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:48:15,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:48:15,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:48:15,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:48:15,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:48:15,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:48:15,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:48:15,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:48:15,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:48:15,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:48:15,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:48:15,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:48:15,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:48:15,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:48:15,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:48:15,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:48:15,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:48:15,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:48:15,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:48:15,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:48:15,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:48:15,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:48:15,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:48:15,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:48:15,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:48:15,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:48:15,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:48:15,439 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:48:15,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:48:15,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:48:15,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:48:15,442 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:48:15,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:48:15,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:48:15,442 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:48:15,443 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:48:15,443 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:48:15,443 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:48:15,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:48:15,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:48:15,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:48:15,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:48:15,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:48:15,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:48:15,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:48:15,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:48:15,446 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:48:15,446 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:48:15,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:48:15,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:48:15,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:48:15,447 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:48:15,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:48:15,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:48:15,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:48:15,448 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:48:15,449 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:48:15,450 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 -> 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a [2020-10-19 18:48:15,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:48:15,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:48:15,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:48:15,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:48:15,772 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:48:15,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-10-19 18:48:15,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478a05feb/228fe5259ce54170aff23fc933e0cdb0/FLAG08f082dec [2020-10-19 18:48:16,318 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:48:16,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-10-19 18:48:16,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478a05feb/228fe5259ce54170aff23fc933e0cdb0/FLAG08f082dec [2020-10-19 18:48:16,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478a05feb/228fe5259ce54170aff23fc933e0cdb0 [2020-10-19 18:48:16,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:48:16,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:48:16,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:48:16,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:48:16,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:48:16,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:48:16" (1/1) ... [2020-10-19 18:48:16,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ec8743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:16, skipping insertion in model container [2020-10-19 18:48:16,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:48:16" (1/1) ... [2020-10-19 18:48:16,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:48:16,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:48:17,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:48:17,131 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:48:17,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:48:17,246 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:48:17,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17 WrapperNode [2020-10-19 18:48:17,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:48:17,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:48:17,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:48:17,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:48:17,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:48:17,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:48:17,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:48:17,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:48:17,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (1/1) ... [2020-10-19 18:48:17,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:48:17,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:48:17,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:48:17,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:48:17,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (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 18:48:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:48:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:48:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:48:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:48:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2020-10-19 18:48:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2020-10-19 18:48:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:48:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:48:17,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:48:17,714 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 18:48:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:17 BoogieIcfgContainer [2020-10-19 18:48:17,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:48:17,717 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:48:17,717 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:48:17,720 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:48:17,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:17,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:48:16" (1/3) ... [2020-10-19 18:48:17,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@189d24d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:48:17, skipping insertion in model container [2020-10-19 18:48:17,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:17,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:48:17" (2/3) ... [2020-10-19 18:48:17,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@189d24d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:48:17, skipping insertion in model container [2020-10-19 18:48:17,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:48:17,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:17" (3/3) ... [2020-10-19 18:48:17,726 INFO L373 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg_traverse-alloca.i [2020-10-19 18:48:17,777 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:48:17,778 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:48:17,778 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:48:17,778 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:48:17,779 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:48:17,779 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:48:17,779 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:48:17,779 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:48:17,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-19 18:48:17,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:48:17,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:17,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:17,828 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:48:17,828 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:48:17,828 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:48:17,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-19 18:48:17,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:48:17,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:17,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:17,831 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:48:17,831 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:48:17,838 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 18#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 14#new_lsegENTRYtrue [2020-10-19 18:48:17,839 INFO L796 eck$LassoCheckResult]: Loop: 14#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 10#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 14#new_lsegENTRYtrue [2020-10-19 18:48:17,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2020-10-19 18:48:17,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:17,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111477148] [2020-10-19 18:48:17,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:17,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:18,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,056 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:18,057 INFO L82 PathProgramCache]: Analyzing trace with hash 57729, now seen corresponding path program 1 times [2020-10-19 18:48:18,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:18,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889092135] [2020-10-19 18:48:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:18,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:18,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,091 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:18,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1807633698, now seen corresponding path program 1 times [2020-10-19 18:48:18,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:18,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079856091] [2020-10-19 18:48:18,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:18,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:18,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:18,156 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:18,382 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-19 18:48:18,617 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 18:48:18,954 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-10-19 18:48:19,182 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-19 18:48:19,265 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:48:19,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:48:19,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:48:19,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:48:19,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:48:19,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:19,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:48:19,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:48:19,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg_traverse-alloca.i_Iteration1_Lasso [2020-10-19 18:48:19,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:48:19,268 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:48:19,293 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 18:48:19,300 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 18:48:19,302 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 18:48:19,305 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 18:48:19,308 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 18:48:19,310 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 18:48:19,313 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 18:48:19,316 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 18:48:19,318 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 18:48:19,321 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 18:48:19,323 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 18:48:19,326 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 18:48:19,329 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 18:48:19,332 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 18:48:19,335 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 18:48:19,338 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 18:48:19,343 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 18:48:19,346 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 18:48:19,349 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 18:48:19,351 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 18:48:19,354 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 18:48:19,356 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 18:48:19,466 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 18:48:19,469 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 18:48:19,472 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 18:48:19,474 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 18:48:19,476 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 18:48:19,479 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 18:48:19,482 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 18:48:19,484 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 18:48:19,487 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 18:48:19,489 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 18:48:19,492 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 18:48:19,494 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 18:48:19,497 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 18:48:19,499 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 18:48:19,502 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 18:48:19,505 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 18:48:19,507 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 18:48:19,509 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 18:48:19,512 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 18:48:19,514 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 18:48:19,898 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:48:19,904 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:19,919 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 18:48:19,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:19,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:19,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:19,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:19,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:19,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:19,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:19,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:19,975 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 18:48:19,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:19,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:19,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:19,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:19,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:19,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:19,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:19,979 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 18:48:20,032 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 18:48:20,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,036 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 18:48:20,064 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 18:48:20,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,075 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 18:48:20,106 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 18:48:20,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,114 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 18:48:20,137 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 18:48:20,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,143 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) [2020-10-19 18:48:20,179 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 18:48:20,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,184 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 18:48:20,207 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 18:48:20,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,212 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 [2020-10-19 18:48:20,247 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 18:48:20,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 18:48:20,275 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 [2020-10-19 18:48:20,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,285 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 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 18:48:20,307 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 18:48:20,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,310 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 18:48:20,333 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 18:48:20,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,337 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 18:48:20,358 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 18:48:20,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,363 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 18:48:20,388 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 18:48:20,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,392 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 18:48:20,431 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 18:48:20,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,449 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 18:48:20,477 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 18:48:20,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:20,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:20,491 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 18:48:20,514 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 18:48:20,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,526 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 18:48:20,551 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 18:48:20,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,555 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 18:48:20,577 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 18:48:20,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,581 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 18:48:20,612 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 18:48:20,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,619 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 18:48:20,642 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 18:48:20,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:48:20,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:48:20,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:48:20,646 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 18:48:20,668 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 18:48:20,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,669 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-19 18:48:20,669 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:48:20,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,679 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-10-19 18:48:20,680 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:48:20,704 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) [2020-10-19 18:48:20,750 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 18:48:20,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:20,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,772 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:20,807 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 18:48:20,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:20,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,821 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:20,853 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:48:20,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:48:20,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:48:20,864 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,893 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 18:48:20,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:48:20,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:48:20,895 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:48:20,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:48:20,921 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-19 18:48:20,922 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:48:20,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:48:20,987 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 18:48:20,987 INFO L444 ModelExtractionUtils]: 11 out of 21 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:48:20,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:48:20,998 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-19 18:48:20,999 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:48:21,000 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2020-10-19 18:48:21,051 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2020-10-19 18:48:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:48:21,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:48:21,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:48:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:48:21,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:48:21,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:48:21,212 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 18:48:21,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-19 18:48:21,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-10-19 18:48:21,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 13 states. [2020-10-19 18:48:21,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:48:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:48:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-19 18:48:21,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-19 18:48:21,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:21,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-19 18:48:21,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:21,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-19 18:48:21,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:48:21,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2020-10-19 18:48:21,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 18:48:21,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 27 transitions. [2020-10-19 18:48:21,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-10-19 18:48:21,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-19 18:48:21,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-10-19 18:48:21,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:48:21,403 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-19 18:48:21,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-10-19 18:48:21,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-10-19 18:48:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-19 18:48:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-10-19 18:48:21,438 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-19 18:48:21,439 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-19 18:48:21,439 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:48:21,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-10-19 18:48:21,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 18:48:21,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:48:21,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:48:21,441 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:48:21,442 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 18:48:21,442 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 130#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 131#L572 assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 136#L559 call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 137#new_lsegENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 138#L548 assume 0 == ~n;#res.base, #res.offset := ~p.base, ~p.offset; 143#new_lsegFINAL assume true; 141#new_lsegEXIT >#37#return; 127#L559-1 call write~$Pointer$(new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~x~1.base, 4 + new_cll_~x~1.offset, 8);havoc new_cll_#t~ret5.base, new_cll_#t~ret5.offset;new_cll_#res.base, new_cll_#res.offset := new_cll_~x~1.base, new_cll_~x~1.offset; 128#L560 main_#t~ret8.base, main_#t~ret8.offset := new_cll_#res.base, new_cll_#res.offset;main_~x~2.base, main_~x~2.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~x~2.base, main_~x~2.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~0.base, traverse_~curr~0.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~0.base, traverse_~curr~0.offset := traverse_~head.base, traverse_~head.offset; 133#L565-2 [2020-10-19 18:48:21,442 INFO L796 eck$LassoCheckResult]: Loop: 133#L565-2 assume !!(traverse_~curr~0.base != 0 || traverse_~curr~0.offset != 0);call traverse_#t~mem6.base, traverse_#t~mem6.offset := read~$Pointer$(traverse_~curr~0.base, 4 + traverse_~curr~0.offset, 8);traverse_~curr~0.base, traverse_~curr~0.offset := traverse_#t~mem6.base, traverse_#t~mem6.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset; 133#L565-2 [2020-10-19 18:48:21,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:21,443 INFO L82 PathProgramCache]: Analyzing trace with hash 914562823, now seen corresponding path program 1 times [2020-10-19 18:48:21,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:21,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832956144] [2020-10-19 18:48:21,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,497 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:21,498 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-10-19 18:48:21,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:21,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780101082] [2020-10-19 18:48:21,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,506 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:48:21,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1713323539, now seen corresponding path program 1 times [2020-10-19 18:48:21,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:48:21,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888867415] [2020-10-19 18:48:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:48:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:48:21,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:48:21,549 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:48:22,473 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 144 [2020-10-19 18:48:22,519 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 18:48:22,632 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-19 18:48:22,633 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:22,639 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 18:48:22,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:48:22,740 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 18:48:22,740 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:144 [2020-10-19 18:48:22,848 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 18:48:22,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:48:22 BoogieIcfgContainer [2020-10-19 18:48:22,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:48:22,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:48:22,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:48:22,883 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:48:22,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:48:17" (3/4) ... [2020-10-19 18:48:22,886 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 18:48:22,940 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:48:22,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:48:22,943 INFO L168 Benchmark]: Toolchain (without parser) took 6306.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 957.3 MB in the beginning and 836.6 MB in the end (delta: 120.7 MB). Peak memory consumption was 336.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,943 INFO L168 Benchmark]: CDTParser took 0.30 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 18:48:22,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.59 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,945 INFO L168 Benchmark]: Boogie Preprocessor took 30.13 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,946 INFO L168 Benchmark]: RCFGBuilder took 391.86 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,947 INFO L168 Benchmark]: BuchiAutomizer took 5165.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 836.6 MB in the end (delta: 267.9 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:48:22,947 INFO L168 Benchmark]: Witness Printer took 58.48 ms. Allocated memory is still 1.2 GB. Free memory is still 836.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:48:22,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 601.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.59 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.13 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 391.86 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5165.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 836.6 MB in the end (delta: 267.9 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.48 ms. Allocated memory is still 1.2 GB. Free memory is still 836.6 MB. There was no memory consumed. 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 \old(n) and consists of 5 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf99 lsp97 ukn47 mio100 lsp28 div100 bol100 ite100 ukn100 eq196 hnf92 smp100 dnf136 smp100 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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: 565]: 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 {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@250d6c67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a292198=0, curr=-1, \result=0, x=0, NULL=1, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e28b97c=0, x=-1, \old(n)=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bf7704=0, x=-1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@250d6c67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ef13a15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bf7704=-1, n=1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ef13a15=0, NULL=0, n=1, \result=-1, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a292198=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L571] int n = __VERIFIER_nondet_int(); [L572] COND FALSE !(n < 1) [L557] node_t* x = malloc(sizeof(node_t)); [L558] x->val = n [L559] CALL, EXPR new_lseg(x,n-1) [L548] COND TRUE n==0 [L549] return p; [L559] RET, EXPR new_lseg(x,n-1) [L559] x->next = new_lseg(x,n-1) [L560] return x; [L575] node_t* x = new_cll(n); [L564] node_t* curr = head; Loop: [L565] COND TRUE curr != ((void *)0) [L566] EXPR curr->next [L566] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...