./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-linkedlists/cll_search-alloca-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:20:06,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:20:06,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:20:06,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:20:06,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:20:06,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:20:06,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:20:06,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:20:06,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:20:06,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:20:06,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:20:06,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:20:06,364 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:20:06,364 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:20:06,366 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:20:06,367 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:20:06,367 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:20:06,367 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:20:06,368 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:20:06,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:20:06,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:20:06,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:20:06,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:20:06,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:20:06,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:20:06,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:20:06,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:20:06,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:20:06,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:20:06,372 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:20:06,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:20:06,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:20:06,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:20:06,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:20:06,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:20:06,374 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:20:06,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 [2024-10-12 00:20:06,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:20:06,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:20:06,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:20:06,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:20:06,699 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:20:06,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2024-10-12 00:20:08,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:20:08,533 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:20:08,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2024-10-12 00:20:08,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cbe370512/e196d7bfcc4943ca99d4adecb6d03e98/FLAG8e9d9f626 [2024-10-12 00:20:08,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cbe370512/e196d7bfcc4943ca99d4adecb6d03e98 [2024-10-12 00:20:08,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:20:08,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:20:08,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:20:08,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:20:08,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:20:08,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:20:08" (1/1) ... [2024-10-12 00:20:08,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c7826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:08, skipping insertion in model container [2024-10-12 00:20:08,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:20:08" (1/1) ... [2024-10-12 00:20:08,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:20:09,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:20:09,303 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:20:09,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:20:09,371 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:20:09,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09 WrapperNode [2024-10-12 00:20:09,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:20:09,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:20:09,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:20:09,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:20:09,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,421 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-10-12 00:20:09,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:20:09,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:20:09,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:20:09,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:20:09,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,458 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 4 writes are split as follows [4]. [2024-10-12 00:20:09,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:20:09,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:20:09,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:20:09,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:20:09,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (1/1) ... [2024-10-12 00:20:09,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:09,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:09,535 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 00:20:09,538 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 00:20:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:20:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:20:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-12 00:20:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-12 00:20:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-12 00:20:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:20:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:20:09,669 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:20:09,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:20:09,837 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-12 00:20:09,838 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:20:09,852 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:20:09,852 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:20:09,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:20:09 BoogieIcfgContainer [2024-10-12 00:20:09,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:20:09,854 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:20:09,854 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:20:09,858 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:20:09,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:20:09,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:20:08" (1/3) ... [2024-10-12 00:20:09,860 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa2332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:20:09, skipping insertion in model container [2024-10-12 00:20:09,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:20:09,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:20:09" (2/3) ... [2024-10-12 00:20:09,861 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa2332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:20:09, skipping insertion in model container [2024-10-12 00:20:09,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:20:09,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:20:09" (3/3) ... [2024-10-12 00:20:09,862 INFO L332 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2024-10-12 00:20:09,934 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:20:09,934 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:20:09,934 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:20:09,935 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:20:09,935 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:20:09,935 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:20:09,936 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:20:09,936 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:20:09,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 00:20:09,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-10-12 00:20:09,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:20:09,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:20:09,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:20:09,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:20:09,966 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:20:09,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 00:20:09,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-10-12 00:20:09,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:20:09,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:20:09,968 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:20:09,968 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:20:09,977 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 4#L552-3true [2024-10-12 00:20:09,978 INFO L747 eck$LassoCheckResult]: Loop: 4#L552-3true assume !!(init_cll_~i~0#1 < init_cll_~n#1);call init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;havoc init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;call write~int#0(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$#0(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset;havoc init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset; 2#L552-2true init_cll_#t~post4#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post4#1;havoc init_cll_#t~post4#1; 4#L552-3true [2024-10-12 00:20:09,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:09,988 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:20:09,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:09,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168003982] [2024-10-12 00:20:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:09,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:10,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:10,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-12 00:20:10,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183062356] [2024-10-12 00:20:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:10,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:10,246 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-12 00:20:10,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:10,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395801038] [2024-10-12 00:20:10,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:10,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:11,306 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:20:11,307 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:20:11,307 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:20:11,307 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:20:11,307 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:20:11,308 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,308 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:20:11,308 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:20:11,308 INFO L132 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2024-10-12 00:20:11,308 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:20:11,309 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:20:11,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:20:11,851 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:20:11,855 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:20:11,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:11,859 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 00:20:11,861 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 00:20:11,862 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 00:20:11,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:11,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:11,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:11,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:11,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:11,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:11,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:11,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:11,897 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 00:20:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:11,899 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 00:20:11,900 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 00:20:11,901 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 00:20:11,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:11,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:11,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:11,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:11,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:11,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:11,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:11,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:11,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:11,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:11,928 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 00:20:11,929 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 00:20:11,930 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 00:20:11,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:11,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:11,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:11,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:11,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:11,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:11,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:11,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:11,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:11,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:11,959 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 00:20:11,960 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 00:20:11,962 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 00:20:11,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:11,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:11,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:11,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:11,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:11,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:11,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:11,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:11,987 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 00:20:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:11,989 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 00:20:11,990 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 00:20:11,991 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 00:20:12,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,015 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 00:20:12,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,017 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 00:20:12,018 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 00:20:12,020 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 00:20:12,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,044 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 00:20:12,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,046 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 00:20:12,047 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 00:20:12,048 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 00:20:12,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,080 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 00:20:12,081 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 00:20:12,082 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 00:20:12,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:12,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,108 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 00:20:12,109 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 00:20:12,110 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 00:20:12,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,123 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:20:12,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,136 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 00:20:12,137 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 00:20:12,138 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 00:20:12,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:20:12,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,169 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 00:20:12,170 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 00:20:12,171 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 00:20:12,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,205 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 00:20:12,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,208 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 00:20:12,210 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 00:20:12,211 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 00:20:12,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:20:12,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,250 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 00:20:12,253 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 00:20:12,255 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 00:20:12,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:20:12,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:20:12,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,296 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 00:20:12,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,299 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 00:20:12,300 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 00:20:12,301 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 00:20:12,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:20:12,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:20:12,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,343 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 00:20:12,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,346 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 00:20:12,349 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 00:20:12,351 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 00:20:12,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-12 00:20:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,389 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 00:20:12,392 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 00:20:12,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:20:12,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:20:12,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:20:12,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:12,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,436 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 00:20:12,438 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 00:20:12,439 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 00:20:12,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:20:12,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:20:12,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:20:12,458 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:12,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,476 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 00:20:12,477 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 00:20:12,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:20:12,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:20:12,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:20:12,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,511 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 00:20:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,513 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 00:20:12,515 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 00:20:12,516 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 00:20:12,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,528 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-12 00:20:12,528 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-12 00:20:12,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,537 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-10-12 00:20:12,537 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-12 00:20:12,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:20:12,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:12,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,565 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 00:20:12,567 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 00:20:12,568 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 00:20:12,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:20:12,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:20:12,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:20:12,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:20:12,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:20:12,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:20:12,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:20:12,608 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:20:12,609 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-12 00:20:12,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:20:12,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:20:12,613 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 00:20:12,615 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 00:20:12,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:20:12,640 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-12 00:20:12,641 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:20:12,642 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n#1, v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1) = 1*ULTIMATE.start_init_cll_~n#1 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1 Supporting invariants [1*ULTIMATE.start_init_cll_~i~0#1 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1 - 1 >= 0] [2024-10-12 00:20:12,658 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 00:20:12,675 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-10-12 00:20:12,689 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-12 00:20:12,690 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-12 00:20:12,690 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~curr~0!base,]]] [2024-10-12 00:20:12,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:20:12,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:20:12,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:20:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:20:12,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 00:20:12,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:20:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-12 00:20:12,851 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-12 00:20:12,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 29 [2024-10-12 00:20:12,891 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 00:20:12,922 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 00:20:12,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:20:12,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 32 transitions. Complement of second has 5 states. [2024-10-12 00:20:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 0 non-accepting loop states 2 accepting loop states [2024-10-12 00:20:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:20:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-12 00:20:13,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:20:13,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:20:13,006 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 00:20:13,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:20:13,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:20:13,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:20:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:20:13,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 00:20:13,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:20:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-12 00:20:13,133 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-12 00:20:13,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 29 [2024-10-12 00:20:13,164 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 00:20:13,165 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:20:13,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:20:13,212 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 6 states. [2024-10-12 00:20:13,214 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 00:20:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:20:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-12 00:20:13,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:20:13,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:20:13,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:20:13,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:20:13,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:20:13,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:20:13,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-10-12 00:20:13,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:20:13,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 9 states and 11 transitions. [2024-10-12 00:20:13,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:20:13,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-12 00:20:13,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-10-12 00:20:13,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:20:13,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:20:13,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-10-12 00:20:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:20:13,252 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 00:20:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-10-12 00:20:13,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:20:13,254 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-10-12 00:20:13,254 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:20:13,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-10-12 00:20:13,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:20:13,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:20:13,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:20:13,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-12 00:20:13,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:20:13,257 INFO L745 eck$LassoCheckResult]: Stem: 139#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 134#L552-3 assume !(init_cll_~i~0#1 < init_cll_~n#1); 135#L552-4 havoc init_cll_~i~0#1;call write~$Pointer$#0(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset; 136#init_cll_returnLabel#1 main_#t~ret8#1.base, main_#t~ret8#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;havoc init_cll_#in~n#1;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~nondet9#1;assume { :begin_inline_search } true;search_#in~head#1.base, search_#in~head#1.offset, search_#in~i#1 := main_~head~1#1.base, main_~head~1#1.offset, main_#t~nondet9#1;havoc search_#t~mem5#1, search_#t~mem6#1.base, search_#t~mem6#1.offset, search_~head#1.base, search_~head#1.offset, search_~i#1, search_~curr~1#1.base, search_~curr~1#1.offset;search_~head#1.base, search_~head#1.offset := search_#in~head#1.base, search_#in~head#1.offset;search_~i#1 := search_#in~i#1;search_~curr~1#1.base, search_~curr~1#1.offset := search_~head#1.base, search_~head#1.offset; 138#L564-3 [2024-10-12 00:20:13,257 INFO L747 eck$LassoCheckResult]: Loop: 138#L564-3 call search_#t~mem5#1 := read~int#0(search_~curr~1#1.base, search_~curr~1#1.offset, 4); 137#L564-1 assume !!(search_#t~mem5#1 != search_~i#1);havoc search_#t~mem5#1;call search_#t~mem6#1.base, search_#t~mem6#1.offset := read~$Pointer$#0(search_~curr~1#1.base, 4 + search_~curr~1#1.offset, 8);search_~curr~1#1.base, search_~curr~1#1.offset := search_#t~mem6#1.base, search_#t~mem6#1.offset;havoc search_#t~mem6#1.base, search_#t~mem6#1.offset; 138#L564-3 [2024-10-12 00:20:13,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2024-10-12 00:20:13,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:13,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448154536] [2024-10-12 00:20:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:13,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:13,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:13,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2024-10-12 00:20:13,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:13,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986315489] [2024-10-12 00:20:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:13,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:13,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:20:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1807951500, now seen corresponding path program 1 times [2024-10-12 00:20:13,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:20:13,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171697644] [2024-10-12 00:20:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:20:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:20:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:20:13,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-12 00:20:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:20:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:20:13,971 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:13,975 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:13,979 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:13,982 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:13,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:20:13 BoogieIcfgContainer [2024-10-12 00:20:13,984 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:20:13,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:20:13,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:20:13,985 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:20:13,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:20:09" (3/4) ... [2024-10-12 00:20:13,987 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:20:13,990 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:13,992 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-10-12 00:20:14,033 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:20:14,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:20:14,034 INFO L158 Benchmark]: Toolchain (without parser) took 5203.47ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 121.8MB in the beginning and 143.5MB in the end (delta: -21.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,034 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:20:14,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.00ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 103.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.96ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,035 INFO L158 Benchmark]: Boogie Preprocessor took 61.17ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,035 INFO L158 Benchmark]: RCFGBuilder took 368.19ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 86.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,035 INFO L158 Benchmark]: BuchiAutomizer took 4130.27ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 86.5MB in the beginning and 145.6MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:20:14,035 INFO L158 Benchmark]: Witness Printer took 48.30ms. Allocated memory is still 190.8MB. Free memory was 145.6MB in the beginning and 143.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:20:14,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.00ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 103.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.96ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.17ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.19ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 86.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4130.27ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 86.5MB in the beginning and 145.6MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.30ms. Allocated memory is still 190.8MB. Free memory was 145.6MB in the beginning and 143.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~curr~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function null and consists of 4 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax100 hnf100 lsp98 ukn30 mio100 lsp33 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf151 smp85 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={30303:0}, head={30303:0}, i=1, n=0] [L552] COND FALSE !(i < n) VAL [curr={30303:0}, head={30303:0}] [L558] curr->next = head [L559] return head; VAL [\result={30303:0}] [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={30303:0}, i=26] Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={30303:0}, head={30303:0}, i=1, n=0] [L552] COND FALSE !(i < n) VAL [curr={30303:0}, head={30303:0}] [L558] curr->next = head [L559] return head; VAL [\result={30303:0}] [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={30303:0}, i=26] Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:20:14,074 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)