./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash ef2ac183abfa5be888591001d2f7376a659c701d3e7fb64cad1cba56a829d8b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:44:29,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:44:29,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:44:29,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:44:29,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:44:29,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:44:29,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:44:29,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:44:29,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:44:29,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:44:29,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:44:29,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:44:29,658 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:44:29,658 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:44:29,659 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:44:29,659 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:44:29,660 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:44:29,660 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:44:29,660 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:44:29,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:44:29,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:44:29,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:44:29,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:44:29,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:44:29,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:44:29,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:44:29,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:44:29,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:44:29,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:44:29,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:44:29,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:44:29,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:44:29,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:44:29,668 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:44:29,668 INFO L153 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef2ac183abfa5be888591001d2f7376a659c701d3e7fb64cad1cba56a829d8b3 [2024-10-12 00:44:29,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:44:29,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:44:29,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:44:29,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:44:29,918 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:44:29,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2024-10-12 00:44:31,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:44:31,311 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:44:31,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2024-10-12 00:44:31,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4e00a1fcb/767a14829cb94e2cacedf0bbdb6102d3/FLAGef0187d85 [2024-10-12 00:44:31,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4e00a1fcb/767a14829cb94e2cacedf0bbdb6102d3 [2024-10-12 00:44:31,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:44:31,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:44:31,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:44:31,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:44:31,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:44:31,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@885e0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31, skipping insertion in model container [2024-10-12 00:44:31,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:44:31,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:44:31,543 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:44:31,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:44:31,572 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:44:31,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31 WrapperNode [2024-10-12 00:44:31,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:44:31,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:44:31,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:44:31,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:44:31,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,598 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-10-12 00:44:31,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:44:31,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:44:31,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:44:31,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:44:31,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,618 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 5 writes are split as follows [0, 2, 3]. [2024-10-12 00:44:31,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:44:31,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:44:31,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:44:31,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:44:31,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (1/1) ... [2024-10-12 00:44:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:31,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:31,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:44:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:44:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:44:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 00:44:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:44:31,794 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:44:31,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:44:31,889 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-12 00:44:31,889 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:44:31,897 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:44:31,898 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:44:31,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:31 BoogieIcfgContainer [2024-10-12 00:44:31,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:44:31,899 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:44:31,899 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:44:31,902 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:44:31,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:31,903 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:44:31" (1/3) ... [2024-10-12 00:44:31,903 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7babcde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:44:31, skipping insertion in model container [2024-10-12 00:44:31,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:31,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:31" (2/3) ... [2024-10-12 00:44:31,904 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7babcde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:44:31, skipping insertion in model container [2024-10-12 00:44:31,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:31,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:31" (3/3) ... [2024-10-12 00:44:31,905 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_2-1-simple.i [2024-10-12 00:44:31,949 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:44:31,950 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:44:31,950 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:44:31,950 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:44:31,950 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:44:31,950 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:44:31,950 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:44:31,950 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:44:31,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2024-10-12 00:44:31,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:44:31,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:44:31,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:44:31,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:44:31,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:44:31,973 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:44:31,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2024-10-12 00:44:31,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:44:31,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:44:31,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:44:31,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:44:31,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:44:31,982 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~mem4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~#B~0#1.base, main_~#B~0#1.offset, main_~i~0#1, main_~tmp~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int#1 := ~initToZeroAtPointerBaseAddress~int(#memory_int#1, main_~#A~0#1.base);call write~unchecked~int#1(0, main_~#A~0#1.base, main_~#A~0#1.offset, 4);call main_~#B~0#1.base, main_~#B~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int#2 := ~initToZeroAtPointerBaseAddress~int(#memory_int#2, main_~#B~0#1.base);call write~unchecked~int#2(0, main_~#B~0#1.base, main_~#B~0#1.offset, 4);havoc main_~i~0#1;havoc main_~tmp~0#1;main_~i~0#1 := 0; 9#L24-3true [2024-10-12 00:44:31,982 INFO L747 eck$LassoCheckResult]: Loop: 9#L24-3true assume !!(main_~i~0#1 < 2048);call main_#t~mem1#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);main_~tmp~0#1 := main_#t~mem1#1;havoc main_#t~mem1#1;call write~int#2(main_~tmp~0#1, main_~#B~0#1.base, main_~#B~0#1.offset + 4 * main_~i~0#1, 4); 4#L24-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 9#L24-3true [2024-10-12 00:44:31,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:44:31,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:31,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343998572] [2024-10-12 00:44:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:31,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:32,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:32,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-12 00:44:32,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:32,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393968121] [2024-10-12 00:44:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:32,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-12 00:44:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231349017] [2024-10-12 00:44:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:32,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:32,630 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:44:32,631 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:44:32,631 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:44:32,631 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:44:32,631 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:44:32,632 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:32,632 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:44:32,632 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:44:32,632 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_2-1-simple.i_Iteration1_Lasso [2024-10-12 00:44:32,632 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:44:32,632 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:44:32,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:32,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:33,048 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:44:33,056 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:44:33,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:44:33,074 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 [2024-10-12 00:44:33,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:44:33,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:44:33,147 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 [2024-10-12 00:44:33,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:44:33,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:44:33,180 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 [2024-10-12 00:44:33,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:33,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:33,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:33,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:44:33,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:44:33,213 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 [2024-10-12 00:44:33,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:33,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:33,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:33,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,239 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:44:33,240 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 [2024-10-12 00:44:33,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:33,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:33,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:33,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,265 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:44:33,267 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 [2024-10-12 00:44:33,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:33,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:33,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:33,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,293 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:44:33,296 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 [2024-10-12 00:44:33,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,313 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:44:33,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:44:33,327 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 [2024-10-12 00:44:33,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:44:33,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,360 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:44:33,363 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 [2024-10-12 00:44:33,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:33,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:33,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:33,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,391 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:44:33,394 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 [2024-10-12 00:44:33,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,411 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,425 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:44:33,428 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 [2024-10-12 00:44:33,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:44:33,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,459 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:44:33,461 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 [2024-10-12 00:44:33,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:33,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:44:33,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,490 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:44:33,492 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 [2024-10-12 00:44:33,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:33,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:33,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:33,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:33,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:33,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:33,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:44:33,540 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-12 00:44:33,541 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-10-12 00:44:33,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:33,690 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:33,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:44:33,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:44:33,705 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:44:33,705 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:44:33,705 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 4095*v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-12 00:44:33,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:33,747 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-10-12 00:44:33,761 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:44:33,762 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:44:33,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:33,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:44:33,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:33,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 00:44:33,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:44:33,875 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:44:33,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2024-10-12 00:44:33,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 24 states and 31 transitions. Complement of second has 6 states. [2024-10-12 00:44:33,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:44:33,922 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) [2024-10-12 00:44:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-12 00:44:33,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:44:33,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:33,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:44:33,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:33,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:44:33,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:33,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2024-10-12 00:44:33,927 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:44:33,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2024-10-12 00:44:33,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:44:33,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:44:33,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:44:33,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:44:33,930 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:33,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:33,930 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:33,930 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:44:33,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:44:33,930 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:44:33,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:44:33,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:44:33 BoogieIcfgContainer [2024-10-12 00:44:33,935 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:44:33,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:44:33,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:44:33,937 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:44:33,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:31" (3/4) ... [2024-10-12 00:44:33,942 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:44:33,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:44:33,944 INFO L158 Benchmark]: Toolchain (without parser) took 2610.61ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 62.0MB in the beginning and 109.7MB in the end (delta: -47.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,944 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:33,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.27ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 61.9MB in the beginning and 157.8MB in the end (delta: -95.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.41ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,945 INFO L158 Benchmark]: Boogie Preprocessor took 30.56ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,945 INFO L158 Benchmark]: RCFGBuilder took 267.90ms. Allocated memory is still 188.7MB. Free memory was 153.6MB in the beginning and 141.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,945 INFO L158 Benchmark]: BuchiAutomizer took 2036.55ms. Allocated memory is still 188.7MB. Free memory was 141.1MB in the beginning and 110.8MB in the end (delta: 30.3MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,946 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 188.7MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:33,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.27ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 61.9MB in the beginning and 157.8MB in the end (delta: -95.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.41ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.56ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.90ms. Allocated memory is still 188.7MB. Free memory was 153.6MB in the beginning and 141.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2036.55ms. Allocated memory is still 188.7MB. Free memory was 141.1MB in the beginning and 110.8MB in the end (delta: 30.3MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 188.7MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital189 mio100 ax100 hnf100 lsp92 ukn62 mio100 lsp50 div100 bol100 ite100 ukn100 eq147 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:44:33,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:34,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE