./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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_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 a2a51f996e4cf34954505c04e8fa9e53d244d46a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-f470102 [2019-11-28 20:35:09,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:35:09,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:35:09,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:35:09,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:35:09,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:35:09,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:35:09,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:35:09,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:35:09,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:35:09,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:35:09,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:35:09,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:35:09,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:35:09,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:35:09,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:35:09,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:35:09,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:35:09,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:35:09,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:35:09,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:35:09,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:35:09,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:35:09,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:35:09,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:35:09,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:35:09,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:35:09,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:35:09,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:35:09,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:35:09,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:35:09,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:35:09,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:35:09,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:35:09,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:35:09,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:35:09,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:35:09,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:35:09,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:35:09,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:35:09,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:35:09,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:35:09,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:35:09,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:35:09,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:35:09,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:35:09,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:35:09,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:35:09,980 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:35:09,980 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:35:09,980 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:35:09,981 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:35:09,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:35:09,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:35:09,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:35:09,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:35:09,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:35:09,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:35:09,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:35:09,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:35:09,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:35:09,984 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:35:09,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:35:09,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:35:09,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:35:09,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:35:09,985 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:35:09,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:35:09,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:35:09,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:35:09,986 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:35:09,987 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:35:09,987 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 -> a2a51f996e4cf34954505c04e8fa9e53d244d46a [2019-11-28 20:35:10,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:35:10,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:35:10,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:35:10,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:35:10,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:35:10,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-28 20:35:10,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f050cbef2/c440b833ee694c6eb717c9227230ffab/FLAG14bd73744 [2019-11-28 20:35:10,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:35:10,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-28 20:35:10,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f050cbef2/c440b833ee694c6eb717c9227230ffab/FLAG14bd73744 [2019-11-28 20:35:11,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f050cbef2/c440b833ee694c6eb717c9227230ffab [2019-11-28 20:35:11,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:35:11,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:35:11,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:35:11,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:35:11,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:35:11,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357d40f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11, skipping insertion in model container [2019-11-28 20:35:11,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:35:11,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:35:11,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:35:11,778 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:35:11,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:35:11,911 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:35:11,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11 WrapperNode [2019-11-28 20:35:11,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:35:11,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:35:11,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:35:11,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:35:11,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:35:11,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:35:11,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:35:11,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:35:11,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (1/1) ... [2019-11-28 20:35:11,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:35:11,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:35:11,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:35:11,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:35:11,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (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 [2019-11-28 20:35:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:35:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:35:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:35:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:35:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:35:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:35:12,361 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:35:12,361 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 20:35:12,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:35:12 BoogieIcfgContainer [2019-11-28 20:35:12,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:35:12,363 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:35:12,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:35:12,374 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:35:12,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:35:12,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:35:11" (1/3) ... [2019-11-28 20:35:12,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d15226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:35:12, skipping insertion in model container [2019-11-28 20:35:12,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:35:12,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:35:11" (2/3) ... [2019-11-28 20:35:12,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d15226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:35:12, skipping insertion in model container [2019-11-28 20:35:12,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:35:12,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:35:12" (3/3) ... [2019-11-28 20:35:12,379 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2019-11-28 20:35:12,440 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:35:12,440 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:35:12,441 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:35:12,441 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:35:12,441 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:35:12,441 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:35:12,441 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:35:12,442 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:35:12,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:35:12,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-28 20:35:12,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:35:12,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:35:12,480 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:35:12,480 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:35:12,481 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:35:12,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:35:12,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-28 20:35:12,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:35:12,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:35:12,483 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:35:12,483 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:35:12,492 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 12#L552-3true [2019-11-28 20:35:12,492 INFO L796 eck$LassoCheckResult]: Loop: 12#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 10#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 12#L552-3true [2019-11-28 20:35:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:35:12,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:12,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804269183] [2019-11-28 20:35:12,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,648 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:12,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:12,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-11-28 20:35:12,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:12,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865357803] [2019-11-28 20:35:12,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,693 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:12,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:12,696 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2019-11-28 20:35:12,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:12,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633118592] [2019-11-28 20:35:12,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:12,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:13,092 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-11-28 20:35:13,147 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:13,287 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-28 20:35:13,288 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:35:13,298 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:13,423 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 20:35:13,424 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:35:13,426 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:13,427 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2019-11-28 20:35:13,555 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 20:35:13,731 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-11-28 20:35:13,840 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:35:13,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:35:13,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:35:13,841 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:35:13,841 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:35:13,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:13,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:35:13,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:35:13,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2019-11-28 20:35:13,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:35:13,843 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:35:13,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:13,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:35:14,320 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-28 20:35:14,860 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:35:14,866 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 [2019-11-28 20:35:14,884 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 [2019-11-28 20:35:14,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:14,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:14,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:14,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:14,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:14,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:14,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:14,896 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 [2019-11-28 20:35:14,915 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 [2019-11-28 20:35:14,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:14,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:14,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:14,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:14,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:14,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:14,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:14,927 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 [2019-11-28 20:35:14,941 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 [2019-11-28 20:35:14,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:14,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:14,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:14,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:14,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:14,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:14,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:14,950 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 [2019-11-28 20:35:14,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:35:14,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:14,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:14,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:14,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:14,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:14,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:14,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:14,965 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 [2019-11-28 20:35:14,982 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 [2019-11-28 20:35:14,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:14,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:14,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:14,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:14,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:14,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:35:15,002 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) [2019-11-28 20:35:15,019 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 [2019-11-28 20:35:15,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,040 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 [2019-11-28 20:35:15,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,046 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 [2019-11-28 20:35:15,058 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 [2019-11-28 20:35:15,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:35:15,075 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 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 [2019-11-28 20:35:15,089 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 [2019-11-28 20:35:15,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,096 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 [2019-11-28 20:35:15,114 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 [2019-11-28 20:35:15,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,119 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) [2019-11-28 20:35:15,168 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,175 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) [2019-11-28 20:35:15,183 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 [2019-11-28 20:35:15,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 20:35:15,198 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 [2019-11-28 20:35:15,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:35:15,212 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 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 [2019-11-28 20:35:15,226 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 [2019-11-28 20:35:15,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,235 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 [2019-11-28 20:35:15,242 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 [2019-11-28 20:35:15,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,251 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 [2019-11-28 20:35:15,265 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 [2019-11-28 20:35:15,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:35:15,294 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 [2019-11-28 20:35:15,311 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 [2019-11-28 20:35:15,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:35:15,318 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) [2019-11-28 20:35:15,335 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 [2019-11-28 20:35:15,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,351 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) [2019-11-28 20:35:15,368 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 [2019-11-28 20:35:15,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,382 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) [2019-11-28 20:35:15,393 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 [2019-11-28 20:35:15,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:35:15,414 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 [2019-11-28 20:35:15,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,427 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) [2019-11-28 20:35:15,437 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 [2019-11-28 20:35:15,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:35:15,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:35:15,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,444 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) [2019-11-28 20:35:15,450 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 [2019-11-28 20:35:15,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:35:15,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:35:15,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:35:15,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:35:15,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:35:15,464 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 [2019-11-28 20:35:15,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:35:15,530 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 20:35:15,530 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:35:15,539 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:35:15,543 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:35:15,544 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:35:15,544 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:35:15,597 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-28 20:35:15,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:35:15,694 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:35:15,696 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:35:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:35:15,720 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:35:15,720 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:35:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:35:15,755 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:35:15,757 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-28 20:35:15,812 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2019-11-28 20:35:15,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:35:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:35:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2019-11-28 20:35:15,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 20:35:15,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:35:15,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 20:35:15,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:35:15,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 20:35:15,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:35:15,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-28 20:35:15,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:35:15,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2019-11-28 20:35:15,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:35:15,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-28 20:35:15,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-28 20:35:15,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:35:15,831 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 20:35:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-28 20:35:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-28 20:35:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:35:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-28 20:35:15,861 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 20:35:15,861 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 20:35:15,861 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:35:15,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-28 20:35:15,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:35:15,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:35:15,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:35:15,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 20:35:15,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:35:15,863 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 89#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 90#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 91#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 92#L559 main_#t~ret7.base, main_#t~ret7.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret7.base, main_#t~ret7.offset;havoc main_#t~ret7.base, main_#t~ret7.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~head~1.base, main_~head~1.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~1.base, traverse_~curr~1.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~1.base, traverse_~curr~1.offset := traverse_~head.base, traverse_~head.offset; 94#L564-2 [2019-11-28 20:35:15,863 INFO L796 eck$LassoCheckResult]: Loop: 94#L564-2 assume !!(traverse_~curr~1.base != 0 || traverse_~curr~1.offset != 0);call traverse_#t~mem5.base, traverse_#t~mem5.offset := read~$Pointer$(traverse_~curr~1.base, 4 + traverse_~curr~1.offset, 8);traverse_~curr~1.base, traverse_~curr~1.offset := traverse_#t~mem5.base, traverse_#t~mem5.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset; 94#L564-2 [2019-11-28 20:35:15,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:15,864 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2019-11-28 20:35:15,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:15,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811565498] [2019-11-28 20:35:15,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:15,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:15,925 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2019-11-28 20:35:15,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:15,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603575886] [2019-11-28 20:35:15,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:15,949 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:15,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:35:15,952 INFO L82 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2019-11-28 20:35:15,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:35:15,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205584514] [2019-11-28 20:35:15,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:35:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:35:16,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:35:16,557 WARN L192 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-11-28 20:35:16,569 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:16,712 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-28 20:35:16,713 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:35:16,727 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:16,859 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-28 20:35:16,860 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:35:16,862 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 20:35:16,863 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:183, output treesize:159 [2019-11-28 20:35:17,012 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-28 20:35:17,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:35:17 BoogieIcfgContainer [2019-11-28 20:35:17,047 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:35:17,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:35:17,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:35:17,048 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:35:17,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:35:12" (3/4) ... [2019-11-28 20:35:17,052 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:35:17,100 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:35:17,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:35:17,102 INFO L168 Benchmark]: Toolchain (without parser) took 5813.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 957.7 MB in the beginning and 960.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:35:17,103 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:35:17,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:35:17,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.84 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. [2019-11-28 20:35:17,105 INFO L168 Benchmark]: Boogie Preprocessor took 32.40 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. [2019-11-28 20:35:17,106 INFO L168 Benchmark]: RCFGBuilder took 366.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:35:17,107 INFO L168 Benchmark]: BuchiAutomizer took 4683.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 129.0 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:35:17,108 INFO L168 Benchmark]: Witness Printer took 52.78 ms. Allocated memory is still 1.2 GB. Free memory is still 960.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:35:17,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.84 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. * Boogie Preprocessor took 32.40 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. * RCFGBuilder took 366.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4683.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 129.0 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.78 ms. Allocated memory is still 1.2 GB. Free memory is still 960.5 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 n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3f831789=0, \result=0, NULL=1, next_node=0, \result=-1, next_node=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d95fd1d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3f831789=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@495c2bca=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5baf605a=0, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38adda2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38adda2=0, curr=0, \old(n)=0, n=0, head=-1, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb51a1f=0, head=0, head=-1, curr=-1, NULL=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb51a1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@495c2bca=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...