./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/ll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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/ll_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 d3cd5e688407114d19fa45687c965a1dc98e8095ddb8a7bd3f6a6a915262e179 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:30:27,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:30:27,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:30:27,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:30:27,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:30:27,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:30:27,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:30:27,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:30:27,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:30:27,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:30:27,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:30:27,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:30:27,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:30:27,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:30:27,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:30:27,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:30:27,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:30:27,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:30:27,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:30:27,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:30:27,570 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:30:27,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:30:27,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:30:27,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:30:27,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:30:27,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:30:27,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:30:27,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:30:27,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:30:27,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:30:27,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:30:27,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:30:27,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:30:27,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:30:27,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:30:27,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:30:27,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:30:27,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:30:27,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:30:27,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:30:27,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:30:27,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:30:27,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:30:27,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:30:27,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:30:27,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:30:27,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:30:27,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:30:27,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:30:27,613 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:30:27,613 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:30:27,613 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:30:27,614 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:30:27,614 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:30:27,614 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:30:27,614 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:30:27,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:30:27,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:30:27,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:30:27,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:30:27,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:30:27,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:30:27,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:30:27,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:30:27,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:30:27,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:30:27,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:30:27,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3cd5e688407114d19fa45687c965a1dc98e8095ddb8a7bd3f6a6a915262e179 [2022-07-23 14:30:27,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:30:27,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:30:27,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:30:27,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:30:27,837 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:30:27,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/ll_traverse-alloca.i [2022-07-23 14:30:27,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228d19ccb/2660cc737ceb4176a30816234f4c1628/FLAGef5535dbd [2022-07-23 14:30:28,233 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:30:28,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/ll_traverse-alloca.i [2022-07-23 14:30:28,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228d19ccb/2660cc737ceb4176a30816234f4c1628/FLAGef5535dbd [2022-07-23 14:30:28,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228d19ccb/2660cc737ceb4176a30816234f4c1628 [2022-07-23 14:30:28,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:30:28,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:30:28,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:30:28,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:30:28,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:30:28,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43198f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28, skipping insertion in model container [2022-07-23 14:30:28,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:30:28,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:30:28,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:30:28,896 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:30:28,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:30:28,934 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:30:28,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28 WrapperNode [2022-07-23 14:30:28,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:30:28,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:30:28,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:30:28,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:30:28,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,964 INFO L137 Inliner]: procedures = 114, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2022-07-23 14:30:28,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:30:28,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:30:28,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:30:28,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:30:28,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:28,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:30:28,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:30:28,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:30:28,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:30:28,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (1/1) ... [2022-07-23 14:30:29,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:29,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:29,020 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) [2022-07-23 14:30:29,024 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 [2022-07-23 14:30:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:30:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 14:30:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 14:30:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 14:30:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:30:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:30:29,098 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:30:29,099 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:30:29,186 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:30:29,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:30:29,192 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 14:30:29,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:29 BoogieIcfgContainer [2022-07-23 14:30:29,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:30:29,194 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:30:29,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:30:29,206 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:30:29,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:30:29,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:30:28" (1/3) ... [2022-07-23 14:30:29,207 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655f0330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:30:29, skipping insertion in model container [2022-07-23 14:30:29,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:30:29,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:28" (2/3) ... [2022-07-23 14:30:29,207 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655f0330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:30:29, skipping insertion in model container [2022-07-23 14:30:29,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:30:29,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:29" (3/3) ... [2022-07-23 14:30:29,209 INFO L354 chiAutomizerObserver]: Analyzing ICFG ll_traverse-alloca.i [2022-07-23 14:30:29,267 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:30:29,267 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:30:29,267 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:30:29,268 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:30:29,268 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:30:29,268 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:30:29,268 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:30:29,268 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:30:29,271 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) [2022-07-23 14:30:29,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-23 14:30:29,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:30:29,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:30:29,287 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:30:29,287 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:30:29,287 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:30:29,287 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) [2022-07-23 14:30:29,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-23 14:30:29,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:30:29,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:30:29,289 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:30:29,289 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:30:29,293 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_init_ll } true;init_ll_#in~n#1 := main_~n~0#1;havoc init_ll_#res#1.base, init_ll_#res#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset, init_ll_#t~post2#1, init_ll_~i~0#1, init_ll_~n#1, init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~n#1 := init_ll_#in~n#1;init_ll_~head~0#1.base, init_ll_~head~0#1.offset := 0, 0;havoc init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~i~0#1 := 0; 8#L550-3true [2022-07-23 14:30:29,293 INFO L754 eck$LassoCheckResult]: Loop: 8#L550-3true assume !!(init_ll_~i~0#1 < init_ll_~n#1);call init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset := init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset;call write~int(init_ll_~i~0#1, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset, 4);call write~$Pointer$(init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, 4 + init_ll_~curr~0#1.offset, 8);init_ll_~head~0#1.base, init_ll_~head~0#1.offset := init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset; 11#L550-2true init_ll_#t~post2#1 := init_ll_~i~0#1;init_ll_~i~0#1 := 1 + init_ll_#t~post2#1;havoc init_ll_#t~post2#1; 8#L550-3true [2022-07-23 14:30:29,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:29,302 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:30:29,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:29,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878960449] [2022-07-23 14:30:29,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,380 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:29,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-07-23 14:30:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:29,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804208446] [2022-07-23 14:30:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,457 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:29,473 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-07-23 14:30:29,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:29,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375544466] [2022-07-23 14:30:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:29,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,496 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:29,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:29,874 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:30:29,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:30:29,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:30:29,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:30:29,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:30:29,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:29,875 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:30:29,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:30:29,876 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_traverse-alloca.i_Iteration1_Lasso [2022-07-23 14:30:29,876 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:30:29,876 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:30:29,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:29,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:30,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:30,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:30:30,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:30:30,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,221 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) [2022-07-23 14:30:30,222 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 [2022-07-23 14:30:30,224 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 [2022-07-23 14:30:30,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:30:30,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:30:30,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,271 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 [2022-07-23 14:30:30,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,273 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) [2022-07-23 14:30:30,274 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 [2022-07-23 14:30:30,278 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 [2022-07-23 14:30:30,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,314 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 [2022-07-23 14:30:30,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,316 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) [2022-07-23 14:30:30,324 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 [2022-07-23 14:30:30,334 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 [2022-07-23 14:30:30,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,364 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 [2022-07-23 14:30:30,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,365 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) [2022-07-23 14:30:30,371 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 [2022-07-23 14:30:30,371 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 [2022-07-23 14:30:30,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,409 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 [2022-07-23 14:30:30,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,413 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) [2022-07-23 14:30:30,413 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 [2022-07-23 14:30:30,415 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 [2022-07-23 14:30:30,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:30:30,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,439 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) [2022-07-23 14:30:30,439 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 [2022-07-23 14:30:30,452 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 [2022-07-23 14:30:30,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:30:30,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:30:30,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,489 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 [2022-07-23 14:30:30,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,490 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) [2022-07-23 14:30:30,491 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 [2022-07-23 14:30:30,493 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 [2022-07-23 14:30:30,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,542 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 [2022-07-23 14:30:30,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,543 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) [2022-07-23 14:30:30,544 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 [2022-07-23 14:30:30,546 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 [2022-07-23 14:30:30,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-23 14:30:30,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,577 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) [2022-07-23 14:30:30,577 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 [2022-07-23 14:30:30,579 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 [2022-07-23 14:30:30,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-23 14:30:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,621 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) [2022-07-23 14:30:30,622 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 [2022-07-23 14:30:30,623 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 [2022-07-23 14:30:30,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,645 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 [2022-07-23 14:30:30,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,646 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) [2022-07-23 14:30:30,646 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 [2022-07-23 14:30:30,648 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 [2022-07-23 14:30:30,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,680 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 [2022-07-23 14:30:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,684 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) [2022-07-23 14:30:30,685 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 [2022-07-23 14:30:30,686 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 [2022-07-23 14:30:30,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,718 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 [2022-07-23 14:30:30,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,720 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) [2022-07-23 14:30:30,720 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 [2022-07-23 14:30:30,722 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 [2022-07-23 14:30:30,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-23 14:30:30,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,746 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) [2022-07-23 14:30:30,746 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 [2022-07-23 14:30:30,748 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 [2022-07-23 14:30:30,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,777 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 [2022-07-23 14:30:30,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,778 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) [2022-07-23 14:30:30,779 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 [2022-07-23 14:30:30,780 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 [2022-07-23 14:30:30,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,786 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 14:30:30,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,796 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-23 14:30:30,797 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:30:30,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,836 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 [2022-07-23 14:30:30,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,838 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) [2022-07-23 14:30:30,839 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 [2022-07-23 14:30:30,840 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 [2022-07-23 14:30:30,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:30:30,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:30:30,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 14:30:30,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,902 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) [2022-07-23 14:30:30,903 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 [2022-07-23 14:30:30,904 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 [2022-07-23 14:30:30,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:30:30,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:30:30,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:30:30,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:30:30,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 14:30:30,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,940 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) [2022-07-23 14:30:30,941 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 [2022-07-23 14:30:30,943 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 [2022-07-23 14:30:30,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:30:30,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:30:30,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:30:30,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:30:30,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:30:30,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:30:30,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:30:30,976 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-23 14:30:30,977 INFO L444 ModelExtractionUtils]: 13 out of 19 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 14:30:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:30:30,979 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2022-07-23 14:30:30,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:30:30,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 14:30:31,019 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:30:31,020 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:30:31,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_ll_~i~0#1, ULTIMATE.start_init_ll_~n#1) = -1*ULTIMATE.start_init_ll_~i~0#1 + 1*ULTIMATE.start_init_ll_~n#1 Supporting invariants [] [2022-07-23 14:30:31,038 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 [2022-07-23 14:30:31,047 INFO L293 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-07-23 14:30:31,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:30:31,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:30:31,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:30:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:30:31,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:30:31,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:30:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:30:31,160 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 [2022-07-23 14:30:31,161 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) [2022-07-23 14:30:31,186 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. [2022-07-23 14:30:31,187 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 [2022-07-23 14:30:31,190 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) [2022-07-23 14:30:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-07-23 14:30:31,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-23 14:30:31,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:30:31,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-23 14:30:31,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:30:31,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-23 14:30:31,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:30:31,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-07-23 14:30:31,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:30:31,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2022-07-23 14:30:31,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-07-23 14:30:31,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-23 14:30:31,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2022-07-23 14:30:31,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:30:31,199 INFO L369 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-23 14:30:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2022-07-23 14:30:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-23 14:30:31,212 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) [2022-07-23 14:30:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-07-23 14:30:31,213 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-23 14:30:31,213 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-23 14:30:31,214 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:30:31,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-07-23 14:30:31,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:30:31,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:30:31,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:30:31,214 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 14:30:31,214 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-23 14:30:31,215 INFO L752 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 82#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_init_ll } true;init_ll_#in~n#1 := main_~n~0#1;havoc init_ll_#res#1.base, init_ll_#res#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset, init_ll_#t~post2#1, init_ll_~i~0#1, init_ll_~n#1, init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~n#1 := init_ll_#in~n#1;init_ll_~head~0#1.base, init_ll_~head~0#1.offset := 0, 0;havoc init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~i~0#1 := 0; 86#L550-3 assume !(init_ll_~i~0#1 < init_ll_~n#1); 85#L550-4 init_ll_#res#1.base, init_ll_#res#1.offset := init_ll_~head~0#1.base, init_ll_~head~0#1.offset; 83#L556 main_#t~ret6#1.base, main_#t~ret6#1.offset := init_ll_#res#1.base, init_ll_#res#1.offset;assume { :end_inline_init_ll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 84#L561-2 [2022-07-23 14:30:31,215 INFO L754 eck$LassoCheckResult]: Loop: 84#L561-2 assume !!(traverse_~curr~1#1.base != 0 || traverse_~curr~1#1.offset != 0);call traverse_#t~mem4#1.base, traverse_#t~mem4#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~mem4#1.base, traverse_#t~mem4#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset; 84#L561-2 [2022-07-23 14:30:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2022-07-23 14:30:31,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483483776] [2022-07-23 14:30:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,233 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:31,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,238 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2022-07-23 14:30:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61951766] [2022-07-23 14:30:31,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,249 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,257 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2022-07-23 14:30:31,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527439169] [2022-07-23 14:30:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:30:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:30:31,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:30:31,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527439169] [2022-07-23 14:30:31,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527439169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:30:31,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:30:31,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 14:30:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115379657] [2022-07-23 14:30:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:30:31,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 14:30:31,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:30:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 14:30:31,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 14:30:31,363 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-07-23 14:30:31,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:30:31,391 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-07-23 14:30:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 14:30:31,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-07-23 14:30:31,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:30:31,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 8 states and 9 transitions. [2022-07-23 14:30:31,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:30:31,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-23 14:30:31,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-07-23 14:30:31,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:30:31,393 INFO L369 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-23 14:30:31,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-07-23 14:30:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-23 14:30:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-07-23 14:30:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-07-23 14:30:31,394 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-23 14:30:31,394 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-23 14:30:31,394 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:30:31,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-07-23 14:30:31,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:30:31,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:30:31,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:30:31,395 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:30:31,395 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-23 14:30:31,395 INFO L752 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 115#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_init_ll } true;init_ll_#in~n#1 := main_~n~0#1;havoc init_ll_#res#1.base, init_ll_#res#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset, init_ll_#t~post2#1, init_ll_~i~0#1, init_ll_~n#1, init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~n#1 := init_ll_#in~n#1;init_ll_~head~0#1.base, init_ll_~head~0#1.offset := 0, 0;havoc init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~i~0#1 := 0; 119#L550-3 assume !!(init_ll_~i~0#1 < init_ll_~n#1);call init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset := init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset;call write~int(init_ll_~i~0#1, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset, 4);call write~$Pointer$(init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, 4 + init_ll_~curr~0#1.offset, 8);init_ll_~head~0#1.base, init_ll_~head~0#1.offset := init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset; 120#L550-2 init_ll_#t~post2#1 := init_ll_~i~0#1;init_ll_~i~0#1 := 1 + init_ll_#t~post2#1;havoc init_ll_#t~post2#1; 121#L550-3 assume !(init_ll_~i~0#1 < init_ll_~n#1); 118#L550-4 init_ll_#res#1.base, init_ll_#res#1.offset := init_ll_~head~0#1.base, init_ll_~head~0#1.offset; 116#L556 main_#t~ret6#1.base, main_#t~ret6#1.offset := init_ll_#res#1.base, init_ll_#res#1.offset;assume { :end_inline_init_ll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 117#L561-2 [2022-07-23 14:30:31,396 INFO L754 eck$LassoCheckResult]: Loop: 117#L561-2 assume !!(traverse_~curr~1#1.base != 0 || traverse_~curr~1#1.offset != 0);call traverse_#t~mem4#1.base, traverse_#t~mem4#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~mem4#1.base, traverse_#t~mem4#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset; 117#L561-2 [2022-07-23 14:30:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669541, now seen corresponding path program 1 times [2022-07-23 14:30:31,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899966822] [2022-07-23 14:30:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,408 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:31,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,419 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times [2022-07-23 14:30:31,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47309386] [2022-07-23 14:30:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,422 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:31,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:30:31,429 INFO L85 PathProgramCache]: Analyzing trace with hash 265180950, now seen corresponding path program 1 times [2022-07-23 14:30:31,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:30:31,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005667688] [2022-07-23 14:30:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:30:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:30:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,458 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:30:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:30:31,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:30:31,916 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:30:31,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:30:31,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:30:31,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:30:31,917 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:30:31,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:30:31,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:30:31,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:30:31,917 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_traverse-alloca.i_Iteration3_Lasso [2022-07-23 14:30:31,917 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:30:31,917 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:30:31,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:30:31,958 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 14:30:31,960 INFO L158 Benchmark]: Toolchain (without parser) took 3332.89ms. Allocated memory was 86.0MB in the beginning and 172.0MB in the end (delta: 86.0MB). Free memory was 51.6MB in the beginning and 83.1MB in the end (delta: -31.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-07-23 14:30:31,961 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:30:31,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.69ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 51.3MB in the beginning and 103.9MB in the end (delta: -52.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-07-23 14:30:31,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.16ms. Allocated memory is still 132.1MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:30:31,962 INFO L158 Benchmark]: Boogie Preprocessor took 30.06ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:30:31,962 INFO L158 Benchmark]: RCFGBuilder took 197.20ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 90.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 14:30:31,962 INFO L158 Benchmark]: BuchiAutomizer took 2765.61ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 90.5MB in the beginning and 83.1MB in the end (delta: 7.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-07-23 14:30:31,964 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 86.0MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.69ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 51.3MB in the beginning and 103.9MB in the end (delta: -52.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.16ms. Allocated memory is still 132.1MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.06ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 197.20ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 90.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2765.61ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 90.5MB in the beginning and 83.1MB in the end (delta: 7.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-23 14:30:31,988 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null