./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-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 e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:02:39,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:02:39,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:02:39,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:02:39,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:02:39,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:02:39,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:02:39,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:02:39,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:02:39,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:02:39,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:02:39,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:02:39,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:02:39,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:02:39,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:02:39,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:02:39,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:02:39,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:02:39,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:02:39,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:02:39,132 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:02:39,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:02:39,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:02:39,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:02:39,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:02:39,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:02:39,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:02:39,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:02:39,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:02:39,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:02:39,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:02:39,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:02:39,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:02:39,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:02:39,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:02:39,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:02:39,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:02:39,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:02:39,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:02:39,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:02:39,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:02:39,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:02:39,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:02:39,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:02:39,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:02:39,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:02:39,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:02:39,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:02:39,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:02:39,180 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:02:39,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:02:39,180 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:02:39,180 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:02:39,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:02:39,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:02:39,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:02:39,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:02:39,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:02:39,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:02:39,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:02:39,183 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:02:39,184 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 [2022-07-14 15:02:39,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:02:39,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:02:39,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:02:39,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:02:39,403 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:02:39,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2022-07-14 15:02:39,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9f12505/0358a4df86544cc087a7dfc251351abc/FLAG9e03869ca [2022-07-14 15:02:39,856 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:02:39,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2022-07-14 15:02:39,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9f12505/0358a4df86544cc087a7dfc251351abc/FLAG9e03869ca [2022-07-14 15:02:39,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f9f12505/0358a4df86544cc087a7dfc251351abc [2022-07-14 15:02:39,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:02:39,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:02:39,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:02:39,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:02:39,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:02:39,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:02:39" (1/1) ... [2022-07-14 15:02:39,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b2232f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:39, skipping insertion in model container [2022-07-14 15:02:39,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:02:39" (1/1) ... [2022-07-14 15:02:39,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:02:39,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:02:40,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:02:40,165 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:02:40,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:02:40,219 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:02:40,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40 WrapperNode [2022-07-14 15:02:40,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:02:40,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:02:40,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:02:40,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:02:40,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,255 INFO L137 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2022-07-14 15:02:40,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:02:40,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:02:40,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:02:40,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:02:40,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:02:40,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:02:40,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:02:40,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:02:40,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (1/1) ... [2022-07-14 15:02:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:40,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:40,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:02:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:02:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 15:02:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 15:02:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 15:02:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:02:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:02:40,454 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:02:40,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:02:40,629 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:02:40,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:02:40,635 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:02:40,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:40 BoogieIcfgContainer [2022-07-14 15:02:40,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:02:40,638 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:02:40,638 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:02:40,641 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:02:40,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:40,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:02:39" (1/3) ... [2022-07-14 15:02:40,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2182672d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:02:40, skipping insertion in model container [2022-07-14 15:02:40,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:40,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:40" (2/3) ... [2022-07-14 15:02:40,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2182672d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:02:40, skipping insertion in model container [2022-07-14 15:02:40,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:40,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:40" (3/3) ... [2022-07-14 15:02:40,646 INFO L354 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2022-07-14 15:02:40,690 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:02:40,690 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:02:40,690 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:02:40,690 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:02:40,691 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:02:40,691 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:02:40,691 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:02:40,691 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:02:40,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:40,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-14 15:02:40,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:40,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:40,717 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:02:40,717 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:02:40,717 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:02:40,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:40,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-14 15:02:40,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:40,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:40,720 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:02:40,720 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:02:40,724 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 5#L552-3true [2022-07-14 15:02:40,726 INFO L754 eck$LassoCheckResult]: Loop: 5#L552-3true assume !!(init_cll_~i~0#1 < init_cll_~n#1);call init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;havoc init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;call write~int(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset; 2#L552-2true init_cll_#t~post3#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post3#1;havoc init_cll_#t~post3#1; 5#L552-3true [2022-07-14 15:02:40,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:40,733 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:02:40,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:40,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807200830] [2022-07-14 15:02:40,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:40,836 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:40,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:40,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:40,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-07-14 15:02:40,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:40,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278696293] [2022-07-14 15:02:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:40,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:40,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-07-14 15:02:40,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:40,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276707038] [2022-07-14 15:02:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:40,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:41,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:41,524 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:02:41,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:02:41,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:02:41,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:02:41,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:02:41,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:41,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:02:41,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:02:41,527 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2022-07-14 15:02:41,527 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:02:41,527 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:02:41,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:41,998 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:02:42,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:02:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:02:42,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:02:42,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:02:42,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:02:42,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:42,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:42,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:02:42,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:02:42,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 15:02:42,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:02:42,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 15:02:42,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,373 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 15:02:42,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,416 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 15:02:42,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,462 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:42,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:42,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 15:02:42,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 15:02:42,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,558 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 15:02:42,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:42,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:42,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,607 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 15:02:42,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-14 15:02:42,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,695 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-14 15:02:42,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:42,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:42,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:42,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,748 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-14 15:02:42,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:42,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:42,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:42,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:42,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-14 15:02:42,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,788 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-14 15:02:42,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:02:42,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:42,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:42,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:42,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:42,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:42,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:42,823 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:02:42,867 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-14 15:02:42,867 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-07-14 15:02:42,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:42,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:42,870 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:42,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-14 15:02:42,872 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:02:42,893 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:02:42,893 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:02:42,894 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~i~0#1, ULTIMATE.start_init_cll_~n#1) = -1*ULTIMATE.start_init_cll_~i~0#1 + 1*ULTIMATE.start_init_cll_~n#1 Supporting invariants [] [2022-07-14 15:02:42,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-14 15:02:42,922 INFO L293 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2022-07-14 15:02:42,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:42,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 15:02:42,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:42,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 15:02:42,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:02:43,012 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 [2022-07-14 15:02:43,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:43,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 7 states. [2022-07-14 15:02:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:02:43,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-07-14 15:02:43,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-14 15:02:43,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:43,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 15:02:43,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:43,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-14 15:02:43,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:43,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-07-14 15:02:43,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:02:43,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2022-07-14 15:02:43,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-07-14 15:02:43,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-14 15:02:43,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2022-07-14 15:02:43,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:02:43,065 INFO L369 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:02:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2022-07-14 15:02:43,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-14 15:02:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-07-14 15:02:43,081 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:02:43,081 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:02:43,081 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:02:43,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-07-14 15:02:43,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:02:43,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:43,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:43,082 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 15:02:43,082 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-14 15:02:43,082 INFO L752 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 87#L552-3 assume !(init_cll_~i~0#1 < init_cll_~n#1); 88#L552-4 call write~$Pointer$(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset; 91#L559 main_#t~ret7#1.base, main_#t~ret7#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret7#1.base, main_#t~ret7#1.offset;havoc main_#t~ret7#1.base, main_#t~ret7#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 92#L564-2 [2022-07-14 15:02:43,082 INFO L754 eck$LassoCheckResult]: Loop: 92#L564-2 assume !!(traverse_~curr~1#1.base != 0 || traverse_~curr~1#1.offset != 0);call traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset := read~$Pointer$(traverse_~curr~1#1.base, 4 + traverse_~curr~1#1.offset, 8);traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset; 92#L564-2 [2022-07-14 15:02:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2022-07-14 15:02:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:43,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402758212] [2022-07-14 15:02:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:43,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2022-07-14 15:02:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:43,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780257917] [2022-07-14 15:02:43,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,110 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:43,114 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2022-07-14 15:02:43,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:43,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60774594] [2022-07-14 15:02:43,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,130 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:43,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:43,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:43,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:02:43 BoogieIcfgContainer [2022-07-14 15:02:43,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:02:43,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:02:43,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:02:43,632 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:02:43,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:40" (3/4) ... [2022-07-14 15:02:43,634 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 15:02:43,654 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 15:02:43,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:02:43,654 INFO L158 Benchmark]: Toolchain (without parser) took 3769.67ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 91.4MB in the beginning and 113.7MB in the end (delta: -22.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,655 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:02:43,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.75ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 58.0kB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.14ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,656 INFO L158 Benchmark]: Boogie Preprocessor took 33.73ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:02:43,656 INFO L158 Benchmark]: RCFGBuilder took 346.18ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 77.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,656 INFO L158 Benchmark]: BuchiAutomizer took 2993.73ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 77.2MB in the beginning and 115.8MB in the end (delta: -38.6MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,657 INFO L158 Benchmark]: Witness Printer took 22.12ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:02:43,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.75ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 58.0kB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.14ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.73ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.18ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 77.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2993.73ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 77.2MB in the beginning and 115.8MB in the end (delta: -38.6MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * Witness Printer took 22.12ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax100 hnf100 lsp97 ukn40 mio100 lsp25 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 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=14652} State at position 1 is {n=0, NULL=0, head=14651, \result=14651, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f4e6d8=0, NULL=14652, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c0cc98f=0, head=14651, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c0cc98f=0, head=0, head=0, head=14651, next_node=0, head=14651, \result=0, curr=14651, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2ada4c00=0, n=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d6f04a=0, \old(n)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1be15abe=0, i=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2ada4c00=0, next_node=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4757de0=0, curr=14651, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f4e6d8=0, head=0, NULL=0, curr=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4757de0=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(); [L571] CALL, EXPR init_cll(n) [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] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL traverse(head) [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! [2022-07-14 15:02:43,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)