./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_shadowinit.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/array-industry-pattern/array_shadowinit.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 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:22:55,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:22:55,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:22:55,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:22:55,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:22:55,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:22:55,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:22:55,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:22:55,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:22:55,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:22:55,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:22:55,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:22:55,970 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:22:55,970 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:22:55,971 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:22:55,971 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:22:55,971 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:22:55,971 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:22:55,972 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:22:55,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:22:55,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:22:55,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:22:55,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:22:55,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:22:55,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:22:55,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:22:55,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:22:55,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:22:55,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:22:55,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:22:55,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:22:55,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:22:55,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:22:55,980 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:22:55,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 [2024-10-12 00:22:56,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:22:56,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:22:56,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:22:56,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:22:56,225 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:22:56,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2024-10-12 00:22:57,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:22:57,700 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:22:57,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2024-10-12 00:22:57,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/614d360a1/0c9e2811827640748049dbfba1d2899a/FLAG8862dc35e [2024-10-12 00:22:58,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/614d360a1/0c9e2811827640748049dbfba1d2899a [2024-10-12 00:22:58,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:22:58,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:22:58,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:22:58,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:22:58,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:22:58,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9ac0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58, skipping insertion in model container [2024-10-12 00:22:58,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:22:58,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:22:58,348 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:22:58,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:22:58,377 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:22:58,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58 WrapperNode [2024-10-12 00:22:58,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:22:58,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:22:58,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:22:58,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:22:58,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,403 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-10-12 00:22:58,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:22:58,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:22:58,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:22:58,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:22:58,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,438 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-12 00:22:58,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:22:58,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:22:58,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:22:58,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:22:58,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (1/1) ... [2024-10-12 00:22:58,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:58,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:58,483 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 00:22:58,485 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 00:22:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:22:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:22:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:22:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:22:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:22:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:22:58,581 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:22:58,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:22:58,668 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-12 00:22:58,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:22:58,680 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:22:58,680 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:22:58,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:22:58 BoogieIcfgContainer [2024-10-12 00:22:58,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:22:58,682 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:22:58,682 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:22:58,685 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:22:58,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:58,686 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:22:58" (1/3) ... [2024-10-12 00:22:58,687 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b8d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:22:58, skipping insertion in model container [2024-10-12 00:22:58,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:58,687 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:58" (2/3) ... [2024-10-12 00:22:58,687 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b8d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:22:58, skipping insertion in model container [2024-10-12 00:22:58,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:58,687 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:22:58" (3/3) ... [2024-10-12 00:22:58,688 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2024-10-12 00:22:58,730 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:22:58,731 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:22:58,731 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:22:58,731 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:22:58,731 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:22:58,731 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:22:58,731 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:22:58,731 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:22:58,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 00:22:58,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-10-12 00:22:58,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:58,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:58,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:22:58,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:22:58,754 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:22:58,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 00:22:58,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-10-12 00:22:58,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:58,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:58,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:22:58,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:22:58,761 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);~N~0 := 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L18true assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0; 11#L23-2true [2024-10-12 00:22:58,762 INFO L747 eck$LassoCheckResult]: Loop: 11#L23-2true assume !!(main_~i~0#1 < ~N~0);call write~int#1(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1; 11#L23-2true [2024-10-12 00:22:58,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-10-12 00:22:58,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778539746] [2024-10-12 00:22:58,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:58,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:58,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:58,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:58,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:58,919 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2024-10-12 00:22:58,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:58,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483944422] [2024-10-12 00:22:58,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:58,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:58,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:58,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2024-10-12 00:22:58,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:58,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694370736] [2024-10-12 00:22:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:59,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:59,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:59,344 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:22:59,345 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:22:59,345 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:22:59,345 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:22:59,345 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:22:59,345 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,346 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:22:59,346 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:22:59,346 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2024-10-12 00:22:59,346 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:22:59,347 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:22:59,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:59,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:59,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:59,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:59,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:59,760 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:22:59,764 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:22:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,769 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 00:22:59,770 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 00:22:59,771 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 00:22:59,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:59,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:59,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,803 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 00:22:59,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,805 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 00:22:59,806 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 00:22:59,807 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 00:22:59,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:59,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:59,823 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,834 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 00:22:59,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,836 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 00:22:59,837 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 00:22:59,839 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 00:22:59,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:59,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:59,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:59,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,863 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 00:22:59,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,865 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 00:22:59,866 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 00:22:59,867 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 00:22:59,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:59,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:59,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:59,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:22:59,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,893 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 00:22:59,894 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 00:22:59,896 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 00:22:59,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:59,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:59,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:59,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:22:59,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,923 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 00:22:59,924 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 00:22:59,925 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 00:22:59,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:59,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:59,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,954 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 00:22:59,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,956 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 00:22:59,957 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 00:22:59,958 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 00:22:59,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:59,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:59,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:59,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:59,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:59,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:59,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:59,986 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 00:22:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:59,988 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 00:22:59,989 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 00:22:59,990 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 00:23:00,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:00,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:00,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:00,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:00,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:00,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:00,031 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:23:00,059 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-12 00:23:00,059 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-12 00:23:00,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:00,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:00,068 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 00:23:00,072 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 00:23:00,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:23:00,085 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:23:00,085 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:23:00,086 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#a~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~#a~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 4*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2024-10-12 00:23:00,097 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 00:23:00,107 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-12 00:23:00,114 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-10-12 00:23:00,116 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:23:00,117 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:23:00,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:00,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:23:00,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:23:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:00,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:23:00,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:23:00,158 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 00:23:00,182 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-12 00:23:00,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 00:23:00,213 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 39 states and 51 transitions. Complement of second has 6 states. [2024-10-12 00:23:00,215 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 00:23:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 00:23:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-10-12 00:23:00,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-12 00:23:00,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:00,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-12 00:23:00,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:00,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-12 00:23:00,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:00,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2024-10-12 00:23:00,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:23:00,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 9 states and 11 transitions. [2024-10-12 00:23:00,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-12 00:23:00,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:23:00,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-10-12 00:23:00,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:23:00,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:23:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-10-12 00:23:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:23:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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 00:23:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-10-12 00:23:00,269 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:23:00,269 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:23:00,269 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:23:00,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-10-12 00:23:00,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:23:00,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:23:00,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:23:00,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-12 00:23:00,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:23:00,270 INFO L745 eck$LassoCheckResult]: Stem: 112#$Ultimate##0 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(19, 2);~N~0 := 0; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 106#L18 assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0; 107#L23-2 assume !(main_~i~0#1 < ~N~0); 110#L23-3 main_~i~0#1 := 0; 114#L29-2 [2024-10-12 00:23:00,271 INFO L747 eck$LassoCheckResult]: Loop: 114#L29-2 assume !!(main_~i~0#1 < ~N~0);call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem2#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 108#L13 assume !(0 == __VERIFIER_assert_~cond#1); 109#L13-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem2#1;main_~i~0#1 := 1 + main_~i~0#1; 114#L29-2 [2024-10-12 00:23:00,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,271 INFO L85 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times [2024-10-12 00:23:00,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:00,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608468673] [2024-10-12 00:23:00,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:00,299 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 00:23:00,344 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 00:23:00,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:23:00,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608468673] [2024-10-12 00:23:00,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608468673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:23:00,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:23:00,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:23:00,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247717390] [2024-10-12 00:23:00,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:23:00,348 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:23:00,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash 57052, now seen corresponding path program 1 times [2024-10-12 00:23:00,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:00,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928063066] [2024-10-12 00:23:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:00,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:23:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:23:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:23:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:23:00,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:23:00,409 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 00:23:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:23:00,419 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-12 00:23:00,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-12 00:23:00,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:23:00,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2024-10-12 00:23:00,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-12 00:23:00,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:23:00,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-10-12 00:23:00,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:23:00,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:23:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-10-12 00:23:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:23:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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) [2024-10-12 00:23:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-10-12 00:23:00,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:23:00,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:23:00,423 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-10-12 00:23:00,423 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:23:00,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-10-12 00:23:00,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:23:00,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:23:00,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:23:00,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:23:00,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:23:00,423 INFO L745 eck$LassoCheckResult]: Stem: 137#$Ultimate##0 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(19, 2);~N~0 := 0; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 130#L18 assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0; 131#L23-2 assume !!(main_~i~0#1 < ~N~0);call write~int#1(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1; 134#L23-2 assume !(main_~i~0#1 < ~N~0); 135#L23-3 main_~i~0#1 := 0; 136#L29-2 [2024-10-12 00:23:00,424 INFO L747 eck$LassoCheckResult]: Loop: 136#L29-2 assume !!(main_~i~0#1 < ~N~0);call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem2#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 132#L13 assume !(0 == __VERIFIER_assert_~cond#1); 133#L13-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem2#1;main_~i~0#1 := 1 + main_~i~0#1; 136#L29-2 [2024-10-12 00:23:00,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times [2024-10-12 00:23:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754608637] [2024-10-12 00:23:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:23:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:23:00,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,451 INFO L85 PathProgramCache]: Analyzing trace with hash 57052, now seen corresponding path program 2 times [2024-10-12 00:23:00,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:00,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049501983] [2024-10-12 00:23:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:23:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:23:00,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:00,467 INFO L85 PathProgramCache]: Analyzing trace with hash -450855157, now seen corresponding path program 1 times [2024-10-12 00:23:00,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:00,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956172511] [2024-10-12 00:23:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:23:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:00,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:23:00,698 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:23:00,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:23:00,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:23:00,698 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:23:00,698 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:23:00,698 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:00,698 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:23:00,698 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:23:00,698 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2024-10-12 00:23:00,698 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:23:00,698 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:23:00,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:23:00,968 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:23:00,968 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:23:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:00,970 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 00:23:00,974 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 00:23:00,975 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 00:23:00,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:00,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:23:00,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:00,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:00,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:00,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:23:00,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:23:00,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:00,999 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 00:23:00,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:00,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,001 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 00:23:01,002 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 00:23:01,003 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 00:23:01,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:23:01,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:23:01,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:23:01,019 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,033 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 00:23:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,035 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 00:23:01,036 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 00:23:01,037 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 00:23:01,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:23:01,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:23:01,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:23:01,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:23:01,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,069 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 00:23:01,070 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 00:23:01,071 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 00:23:01,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:23:01,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:23:01,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:23:01,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,094 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 00:23:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,096 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 00:23:01,097 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 00:23:01,101 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 00:23:01,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 00:23:01,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,129 INFO L229 MonitoredProcess]: Starting monitored process 16 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 00:23:01,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:23:01,132 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 00:23:01,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-12 00:23:01,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,160 INFO L229 MonitoredProcess]: Starting monitored process 17 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 00:23:01,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:23:01,162 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 00:23:01,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:23:01,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,193 INFO L229 MonitoredProcess]: Starting monitored process 18 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 00:23:01,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:23:01,195 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 00:23:01,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:23:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,224 INFO L229 MonitoredProcess]: Starting monitored process 19 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 00:23:01,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:23:01,226 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 00:23:01,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:23:01,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,255 INFO L229 MonitoredProcess]: Starting monitored process 20 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 00:23:01,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:23:01,257 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 00:23:01,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:23:01,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:23:01,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,285 INFO L229 MonitoredProcess]: Starting monitored process 21 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 00:23:01,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:23:01,288 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 00:23:01,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:23:01,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:23:01,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:23:01,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:23:01,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:23:01,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:23:01,310 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:23:01,325 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-12 00:23:01,326 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-12 00:23:01,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:23:01,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:01,331 INFO L229 MonitoredProcess]: Starting monitored process 22 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 00:23:01,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:23:01,333 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:23:01,347 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:23:01,347 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:23:01,348 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_2, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_2 - 4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#a~0#1.offset Supporting invariants [] [2024-10-12 00:23:01,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:23:01,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-12 00:23:01,407 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-12 00:23:01,409 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-10-12 00:23:01,409 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:23:01,409 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:23:01,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:01,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:23:01,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:23:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:01,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:23:01,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:23:01,468 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 00:23:01,469 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 00:23:01,469 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-10-12 00:23:01,484 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Result 12 states and 14 transitions. Complement of second has 4 states. [2024-10-12 00:23:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:23:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-10-12 00:23:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-10-12 00:23:01,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-12 00:23:01,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:01,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2024-10-12 00:23:01,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:01,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2024-10-12 00:23:01,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:23:01,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-10-12 00:23:01,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:23:01,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:23:01,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:23:01,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:23:01,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:23:01,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:23:01,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:23:01,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:23:01,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:23:01 BoogieIcfgContainer [2024-10-12 00:23:01,494 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:23:01,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:23:01,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:23:01,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:23:01,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:22:58" (3/4) ... [2024-10-12 00:23:01,496 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:23:01,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:23:01,497 INFO L158 Benchmark]: Toolchain (without parser) took 3364.21ms. Allocated memory is still 207.6MB. Free memory was 139.8MB in the beginning and 163.1MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:23:01,498 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:23:01,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.85ms. Allocated memory is still 207.6MB. Free memory was 139.5MB in the beginning and 127.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:23:01,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.43ms. Allocated memory is still 207.6MB. Free memory was 127.7MB in the beginning and 126.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:23:01,498 INFO L158 Benchmark]: Boogie Preprocessor took 52.12ms. Allocated memory is still 207.6MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:23:01,499 INFO L158 Benchmark]: RCFGBuilder took 223.62ms. Allocated memory is still 207.6MB. Free memory was 124.4MB in the beginning and 113.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:23:01,499 INFO L158 Benchmark]: BuchiAutomizer took 2812.16ms. Allocated memory is still 207.6MB. Free memory was 112.8MB in the beginning and 163.1MB in the end (delta: -50.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:23:01,499 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 207.6MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:23:01,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.85ms. Allocated memory is still 207.6MB. Free memory was 139.5MB in the beginning and 127.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.43ms. Allocated memory is still 207.6MB. Free memory was 127.7MB in the beginning and 126.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.12ms. Allocated memory is still 207.6MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.62ms. Allocated memory is still 207.6MB. Free memory was 124.4MB in the beginning and 113.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2812.16ms. Allocated memory is still 207.6MB. Free memory was 112.8MB in the beginning and 163.1MB in the end (delta: -50.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 207.6MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#a~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#a~0!offset - 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 29 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp88 ukn79 mio100 lsp51 div136 bol100 ite100 ukn100 eq159 hnf92 smp86 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms 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 00:23:01,523 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