./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/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-?-f4b24e3 [2022-07-14 15:03:12,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:03:12,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:03:12,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:03:12,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:03:12,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:03:12,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:03:12,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:03:12,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:03:12,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:03:12,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:03:12,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:03:12,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:03:12,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:03:12,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:03:12,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:03:12,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:03:12,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:03:12,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:03:12,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:03:12,557 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:03:12,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:03:12,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:03:12,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:03:12,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:03:12,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:03:12,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:03:12,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:03:12,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:03:12,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:03:12,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:03:12,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:03:12,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:03:12,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:03:12,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:03:12,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:03:12,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:03:12,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:03:12,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:03:12,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:03:12,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:03:12,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:03:12,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:03:12,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:03:12,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:03:12,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:03:12,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:03:12,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:03:12,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:03:12,600 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:03:12,600 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:03:12,600 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:03:12,601 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:03:12,601 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:03:12,601 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:03:12,601 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:03:12,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:03:12,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:03:12,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:03:12,603 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:03:12,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:03:12,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:03:12,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:03:12,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:03:12,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:03:12,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:03:12,605 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:03:12,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3cd5e688407114d19fa45687c965a1dc98e8095ddb8a7bd3f6a6a915262e179 [2022-07-14 15:03:12,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:03:12,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:03:12,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:03:12,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:03:12,830 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:03:12,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/ll_traverse-alloca.i [2022-07-14 15:03:12,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7130a67/cad8bf770294479780fe3ae8017e179c/FLAGf033fd909 [2022-07-14 15:03:13,285 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:03:13,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/ll_traverse-alloca.i [2022-07-14 15:03:13,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7130a67/cad8bf770294479780fe3ae8017e179c/FLAGf033fd909 [2022-07-14 15:03:13,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7130a67/cad8bf770294479780fe3ae8017e179c [2022-07-14 15:03:13,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:03:13,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:03:13,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:03:13,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:03:13,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:03:13,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703f777b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13, skipping insertion in model container [2022-07-14 15:03:13,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:03:13,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:03:13,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:03:13,554 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:03:13,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:03:13,601 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:03:13,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13 WrapperNode [2022-07-14 15:03:13,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:03:13,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:03:13,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:03:13,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:03:13,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,631 INFO L137 Inliner]: procedures = 114, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2022-07-14 15:03:13,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:03:13,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:03:13,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:03:13,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:03:13,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:03:13,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:03:13,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:03:13,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:03:13,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (1/1) ... [2022-07-14 15:03:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:13,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:13,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:13,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:03:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:03:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 15:03:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 15:03:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 15:03:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:03:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:03:13,780 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:03:13,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:03:13,889 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:03:13,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:03:13,893 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:03:13,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:03:13 BoogieIcfgContainer [2022-07-14 15:03:13,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:03:13,895 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:03:13,895 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:03:13,897 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:03:13,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:03:13,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:03:13" (1/3) ... [2022-07-14 15:03:13,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d2ef88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:03:13, skipping insertion in model container [2022-07-14 15:03:13,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:03:13,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:13" (2/3) ... [2022-07-14 15:03:13,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d2ef88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:03:13, skipping insertion in model container [2022-07-14 15:03:13,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:03:13,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:03:13" (3/3) ... [2022-07-14 15:03:13,900 INFO L354 chiAutomizerObserver]: Analyzing ICFG ll_traverse-alloca.i [2022-07-14 15:03:13,933 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:03:13,933 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:03:13,933 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:03:13,933 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:03:13,933 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:03:13,934 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:03:13,934 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:03:13,934 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:03:13,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:03:13,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-14 15:03:13,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:03:13,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:03:13,950 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:03:13,950 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:03:13,950 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:03:13,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:03:13,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-07-14 15:03:13,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:03:13,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:03:13,952 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:03:13,952 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:03:13,956 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_init_ll } true;init_ll_#in~n#1 := main_~n~0#1;havoc init_ll_#res#1.base, init_ll_#res#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset, init_ll_#t~post2#1, init_ll_~i~0#1, init_ll_~n#1, init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~n#1 := init_ll_#in~n#1;init_ll_~head~0#1.base, init_ll_~head~0#1.offset := 0, 0;havoc init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~i~0#1 := 0; 8#L550-3true [2022-07-14 15:03:13,956 INFO L754 eck$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 [2022-07-14 15:03:13,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:03:13,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:13,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509005865] [2022-07-14 15:03:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:13,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,019 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:14,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-07-14 15:03:14,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:14,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047627196] [2022-07-14 15:03:14,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,106 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:14,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-07-14 15:03:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:14,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921332308] [2022-07-14 15:03:14,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,162 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:14,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:14,538 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:03:14,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:03:14,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:03:14,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:03:14,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:03:14,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:14,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:03:14,540 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:03:14,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_traverse-alloca.i_Iteration1_Lasso [2022-07-14 15:03:14,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:03:14,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:03:14,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:14,859 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:03:14,862 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:03:14,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:14,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:14,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:14,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:14,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:14,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:14,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:14,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:03:14,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:03:14,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:03:14,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:14,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:03:14,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:14,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:14,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:14,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:14,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:14,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:14,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:14,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:14,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:14,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:14,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:14,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:03:14,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:14,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:14,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:14,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:14,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:03:14,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:14,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:14,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:14,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:14,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:14,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:14,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:14,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:03:15,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-14 15:03:15,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:03:15,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,092 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 [2022-07-14 15:03:15,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:03:15,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:03:15,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:03:15,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 15:03:15,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,173 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 15:03:15,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 15:03:15,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,237 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 15:03:15,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-14 15:03:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 15:03:15,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 15:03:15,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-14 15:03:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,354 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 15:03:15,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,377 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 [2022-07-14 15:03:15,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,379 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-14 15:03:15,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,411 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-14 15:03:15,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,419 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 15:03:15,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,429 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-14 15:03:15,429 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 15:03:15,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-14 15:03:15,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-14 15:03:15,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:03:15,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:03:15,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,513 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 [2022-07-14 15:03:15,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,515 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-14 15:03:15,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:03:15,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:03:15,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:03:15,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:03:15,551 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 [2022-07-14 15:03:15,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,553 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:03:15,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-14 15:03:15,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:03:15,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:03:15,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:03:15,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:03:15,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:03:15,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:03:15,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:03:15,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:03:15,647 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-14 15:03:15,647 INFO L444 ModelExtractionUtils]: 13 out of 19 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-14 15:03:15,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:15,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:03:15,676 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) [2022-07-14 15:03:15,696 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 [2022-07-14 15:03:15,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:03:15,726 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:03:15,726 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:03:15,726 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 [] [2022-07-14 15:03:15,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-14 15:03:15,756 INFO L293 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-07-14 15:03:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:03:15,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 15:03:15,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:03:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:03:15,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 15:03:15,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:03:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:03:15,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-14 15:03:15,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:03:15,887 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 [2022-07-14 15:03:15,910 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 7 states. [2022-07-14 15:03:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:03:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:03:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-07-14 15:03:15,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-14 15:03:15,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:03:15,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 15:03:15,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:03:15,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-14 15:03:15,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:03:15,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-07-14 15:03:15,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:03:15,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2022-07-14 15:03:15,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-07-14 15:03:15,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-14 15:03:15,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2022-07-14 15:03:15,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:03:15,921 INFO L369 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:03:15,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2022-07-14 15:03:15,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-14 15:03:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:03:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-07-14 15:03:15,935 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:03:15,935 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 15:03:15,935 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:03:15,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-07-14 15:03:15,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:03:15,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:03:15,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:03:15,936 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 15:03:15,936 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-14 15:03:15,936 INFO L752 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 82#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_init_ll } true;init_ll_#in~n#1 := main_~n~0#1;havoc init_ll_#res#1.base, init_ll_#res#1.offset;havoc init_ll_#t~malloc3#1.base, init_ll_#t~malloc3#1.offset, init_ll_#t~post2#1, init_ll_~i~0#1, init_ll_~n#1, init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~n#1 := init_ll_#in~n#1;init_ll_~head~0#1.base, init_ll_~head~0#1.offset := 0, 0;havoc init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset;init_ll_~i~0#1 := 0; 86#L550-3 assume !(init_ll_~i~0#1 < init_ll_~n#1); 85#L550-4 init_ll_#res#1.base, init_ll_#res#1.offset := init_ll_~head~0#1.base, init_ll_~head~0#1.offset; 83#L556 main_#t~ret6#1.base, main_#t~ret6#1.offset := init_ll_#res#1.base, init_ll_#res#1.offset;assume { :end_inline_init_ll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 84#L561-2 [2022-07-14 15:03:15,936 INFO L754 eck$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 [2022-07-14 15:03:15,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2022-07-14 15:03:15,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:15,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767690167] [2022-07-14 15:03:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:15,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:15,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:15,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:15,946 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2022-07-14 15:03:15,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:15,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37278478] [2022-07-14 15:03:15,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:15,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:15,949 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:15,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:15,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:15,952 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2022-07-14 15:03:15,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:15,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560413765] [2022-07-14 15:03:15,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:15,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:03:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:03:15,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:03:15,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560413765] [2022-07-14 15:03:15,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560413765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:03:15,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:03:15,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 15:03:15,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268157337] [2022-07-14 15:03:15,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:03:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:03:16,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 15:03:16,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 15:03:16,032 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) [2022-07-14 15:03:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:03:16,064 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-07-14 15:03:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 15:03:16,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-07-14 15:03:16,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:03:16,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 8 states and 9 transitions. [2022-07-14 15:03:16,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-14 15:03:16,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-14 15:03:16,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-07-14 15:03:16,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:03:16,065 INFO L369 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-14 15:03:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-07-14 15:03:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-14 15:03:16,066 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) [2022-07-14 15:03:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-07-14 15:03:16,066 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-14 15:03:16,066 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-07-14 15:03:16,066 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:03:16,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-07-14 15:03:16,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 15:03:16,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:03:16,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:03:16,067 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:03:16,067 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-14 15:03:16,067 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$(init_ll_~head~0#1.base, init_ll_~head~0#1.offset, init_ll_~curr~0#1.base, 4 + init_ll_~curr~0#1.offset, 8);init_ll_~head~0#1.base, init_ll_~head~0#1.offset := init_ll_~curr~0#1.base, init_ll_~curr~0#1.offset; 120#L550-2 init_ll_#t~post2#1 := init_ll_~i~0#1;init_ll_~i~0#1 := 1 + init_ll_#t~post2#1;havoc init_ll_#t~post2#1; 121#L550-3 assume !(init_ll_~i~0#1 < init_ll_~n#1); 118#L550-4 init_ll_#res#1.base, init_ll_#res#1.offset := init_ll_~head~0#1.base, init_ll_~head~0#1.offset; 116#L556 main_#t~ret6#1.base, main_#t~ret6#1.offset := init_ll_#res#1.base, init_ll_#res#1.offset;assume { :end_inline_init_ll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem4#1.base, traverse_#t~mem4#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 117#L561-2 [2022-07-14 15:03:16,067 INFO L754 eck$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 [2022-07-14 15:03:16,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669541, now seen corresponding path program 1 times [2022-07-14 15:03:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:16,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519442992] [2022-07-14 15:03:16,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:16,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times [2022-07-14 15:03:16,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:16,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280867977] [2022-07-14 15:03:16,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,088 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:16,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:03:16,091 INFO L85 PathProgramCache]: Analyzing trace with hash 265180950, now seen corresponding path program 1 times [2022-07-14 15:03:16,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:03:16,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789956299] [2022-07-14 15:03:16,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:03:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:03:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:03:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:03:16,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:03:16,538 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:03:16,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:03:16,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:03:16,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:03:16,538 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:03:16,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:03:16,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:03:16,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:03:16,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_traverse-alloca.i_Iteration3_Lasso [2022-07-14 15:03:16,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:03:16,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:03:16,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:03:16,577 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) [2022-07-14 15:03:16,579 INFO L158 Benchmark]: Toolchain (without parser) took 3259.68ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 115.3MB in the beginning and 64.8MB in the end (delta: 50.5MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,579 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:03:16,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.87ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 105.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.14ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,580 INFO L158 Benchmark]: Boogie Preprocessor took 13.95ms. Allocated memory is still 138.4MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,580 INFO L158 Benchmark]: RCFGBuilder took 248.31ms. Allocated memory is still 138.4MB. Free memory was 102.4MB in the beginning and 91.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,581 INFO L158 Benchmark]: BuchiAutomizer took 2683.82ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 91.9MB in the beginning and 64.8MB in the end (delta: 27.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-07-14 15:03:16,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.87ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 105.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.14ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.95ms. Allocated memory is still 138.4MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.31ms. Allocated memory is still 138.4MB. Free memory was 102.4MB in the beginning and 91.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2683.82ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 91.9MB in the beginning and 64.8MB in the end (delta: 27.1MB). Peak memory consumption was 58.6MB. 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. [2022-07-14 15:03:16,628 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