./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:41:52,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:41:52,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:41:52,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:41:52,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:41:52,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:41:52,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:41:52,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:41:52,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:41:53,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:41:53,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:41:53,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:41:53,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:41:53,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:41:53,004 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:41:53,007 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:41:53,007 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:41:53,008 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:41:53,008 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:41:53,008 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:41:53,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:41:53,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:41:53,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:41:53,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:41:53,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:41:53,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:41:53,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:41:53,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:41:53,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:41:53,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:41:53,013 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:41:53,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:41:53,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:41:53,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:41:53,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:41:53,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:41:53,015 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:41:53,015 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2024-11-10 22:41:53,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:41:53,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:41:53,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:41:53,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:41:53,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:41:53,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2024-11-10 22:41:54,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:41:54,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:41:54,884 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2024-11-10 22:41:54,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d739000e/680aca91df954b898a8ea1e42f397a7c/FLAG420c9727d [2024-11-10 22:41:54,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d739000e/680aca91df954b898a8ea1e42f397a7c [2024-11-10 22:41:54,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:41:54,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:41:54,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:41:54,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:41:54,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:41:54,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:54" (1/1) ... [2024-11-10 22:41:54,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46307f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:54, skipping insertion in model container [2024-11-10 22:41:54,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:54" (1/1) ... [2024-11-10 22:41:54,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:41:55,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:41:55,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:41:55,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:41:55,188 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:41:55,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55 WrapperNode [2024-11-10 22:41:55,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:41:55,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:41:55,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:41:55,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:41:55,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,221 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-10 22:41:55,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:41:55,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:41:55,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:41:55,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:41:55,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,244 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-10 22:41:55,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:41:55,256 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:41:55,256 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:41:55,256 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:41:55,257 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (1/1) ... [2024-11-10 22:41:55,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:55,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:55,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:41:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:41:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-10 22:41:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-10 22:41:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 22:41:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:41:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:41:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:41:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:41:55,412 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:41:55,415 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:41:55,514 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L15: havoc #t~ret5; [2024-11-10 22:41:55,515 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9: havoc ~pv~0; [2024-11-10 22:41:55,568 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-10 22:41:55,568 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:41:55,583 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:41:55,583 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:41:55,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:55 BoogieIcfgContainer [2024-11-10 22:41:55,584 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:41:55,586 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:41:55,586 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:41:55,590 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:41:55,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:55,591 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:41:54" (1/3) ... [2024-11-10 22:41:55,591 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19e41c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:41:55, skipping insertion in model container [2024-11-10 22:41:55,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:55,592 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:55" (2/3) ... [2024-11-10 22:41:55,593 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19e41c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:41:55, skipping insertion in model container [2024-11-10 22:41:55,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:41:55,593 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:55" (3/3) ... [2024-11-10 22:41:55,594 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2024-11-10 22:41:55,653 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:41:55,653 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:41:55,653 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:41:55,654 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:41:55,654 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:41:55,654 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:41:55,654 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:41:55,655 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:41:55,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:41:55,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:41:55,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:55,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:55,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:41:55,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:41:55,686 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:41:55,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:41:55,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:41:55,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:55,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:55,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:41:55,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:41:55,694 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 15#L20true [2024-11-10 22:41:55,695 INFO L747 eck$LassoCheckResult]: Loop: 15#L20true assume true; 13#L20-1true assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 6#L23-1true call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 11#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 9#L9-1true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 16#recFINALtrue assume true; 14#recEXITtrue >#24#return; 12#L23true main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 15#L20true [2024-11-10 22:41:55,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 1 times [2024-11-10 22:41:55,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:55,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665022538] [2024-11-10 22:41:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:55,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:55,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1400452965, now seen corresponding path program 1 times [2024-11-10 22:41:55,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95882043] [2024-11-10 22:41:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash -497242492, now seen corresponding path program 1 times [2024-11-10 22:41:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604983544] [2024-11-10 22:41:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:55,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:56,483 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:41:56,483 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:41:56,483 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:41:56,483 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:41:56,484 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:41:56,484 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,484 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:41:56,484 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:41:56,484 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2024-11-10 22:41:56,484 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:41:56,484 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:41:56,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:56,661 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:41:56,665 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:41:56,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:41:56,672 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 [2024-11-10 22:41:56,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 22:41:56,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:41:56,714 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 [2024-11-10 22:41:56,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,733 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-10 22:41:56,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:41:56,756 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 [2024-11-10 22:41:56,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:41:56,790 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 [2024-11-10 22:41:56,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:56,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,824 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 22:41:56,828 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 [2024-11-10 22:41:56,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:56,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 22:41:56,864 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 [2024-11-10 22:41:56,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,874 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:41:56,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,882 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-10 22:41:56,882 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 22:41:56,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:56,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:41:56,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,911 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 22:41:56,914 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 [2024-11-10 22:41:56,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:56,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:56,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:56,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:56,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:56,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:56,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:56,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:41:56,943 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:41:56,943 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:41:56,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:56,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:56,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 22:41:56,969 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:41:56,969 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:41:56,969 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:41:56,970 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-10 22:41:56,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-10 22:41:56,986 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:41:57,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:57,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:41:57,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:57,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:41:57,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:57,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:41:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:41:57,240 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-10 22:41:57,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 22:41:57,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 65 states and 78 transitions. Complement of second has 22 states. [2024-11-10 22:41:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2024-11-10 22:41:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 22:41:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2024-11-10 22:41:57,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-10 22:41:57,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:57,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-10 22:41:57,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:57,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 2 letters. Loop has 16 letters. [2024-11-10 22:41:57,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:57,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 78 transitions. [2024-11-10 22:41:57,381 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:41:57,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 41 states and 48 transitions. [2024-11-10 22:41:57,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-11-10 22:41:57,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-10 22:41:57,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 48 transitions. [2024-11-10 22:41:57,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:41:57,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-10 22:41:57,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 48 transitions. [2024-11-10 22:41:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-11-10 22:41:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 22:41:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-11-10 22:41:57,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-10 22:41:57,417 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-10 22:41:57,417 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:41:57,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 44 transitions. [2024-11-10 22:41:57,418 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:41:57,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:57,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:57,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:41:57,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:41:57,419 INFO L745 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 164#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 170#L20 assume true; 187#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 161#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 167#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 171#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 172#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 160#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 162#recENTRY [2024-11-10 22:41:57,419 INFO L747 eck$LassoCheckResult]: Loop: 162#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 196#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 197#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 183#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 162#recENTRY [2024-11-10 22:41:57,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1401512599, now seen corresponding path program 1 times [2024-11-10 22:41:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581012398] [2024-11-10 22:41:57,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:57,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1137938, now seen corresponding path program 1 times [2024-11-10 22:41:57,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:57,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290436843] [2024-11-10 22:41:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:57,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:57,495 INFO L85 PathProgramCache]: Analyzing trace with hash 732628602, now seen corresponding path program 2 times [2024-11-10 22:41:57,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:57,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571277558] [2024-11-10 22:41:57,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:57,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:57,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-10 22:41:58,281 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:41:58,282 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:41:58,282 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:41:58,282 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:41:58,282 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:41:58,282 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,282 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:41:58,282 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:41:58,282 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2024-11-10 22:41:58,282 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:41:58,282 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:41:58,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:41:58,825 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:41:58,825 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:41:58,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,828 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 22:41:58,829 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 [2024-11-10 22:41:58,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:58,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:58,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:58,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:58,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:58,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:58,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:58,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:58,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:58,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,862 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 22:41:58,864 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 [2024-11-10 22:41:58,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:58,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:58,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:58,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:58,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:58,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:58,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:58,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:58,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 22:41:58,892 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 [2024-11-10 22:41:58,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:58,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:41:58,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:58,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:58,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:58,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:41:58,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:41:58,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:58,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-10 22:41:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,915 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 22:41:58,917 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 [2024-11-10 22:41:58,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:58,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:58,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:58,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:58,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:58,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:58,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:58,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-10 22:41:58,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-10 22:41:58,952 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 [2024-11-10 22:41:58,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:58,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:58,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:58,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:58,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:58,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:58,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:58,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-10 22:41:58,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:58,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:58,990 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:58,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 22:41:58,992 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 [2024-11-10 22:41:59,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:59,006 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 22:41:59,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:59,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:59,010 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 22:41:59,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:59,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:41:59,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:59,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:59,030 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:59,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-10 22:41:59,032 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 [2024-11-10 22:41:59,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:41:59,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:41:59,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:41:59,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:41:59,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:41:59,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:41:59,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:41:59,087 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-11-10 22:41:59,088 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-10 22:41:59,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:41:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:41:59,090 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:41:59,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-10 22:41:59,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:41:59,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-11-10 22:41:59,105 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:41:59,105 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int#0) rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select old(#memory_int#0) rec_#in~p.base) rec_#in~p.offset)_1 + 3 Supporting invariants [-1*v_rep(select (select #memory_int#0 rec_#in~p.base) 0)_1 + 1*v_rep(select (select old(#memory_int#0) rec_#in~p.base) rec_#in~p.offset)_1 >= 0, 1*v_rep(select (select old(#memory_int#0) rec_#in~p.base) rec_#in~p.offset)_1 + 1 >= 0] [2024-11-10 22:41:59,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-10 22:41:59,133 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2024-11-10 22:41:59,141 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-10 22:41:59,143 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] [2024-11-10 22:41:59,146 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~p!base,]]] [2024-11-10 22:41:59,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:59,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 22:41:59,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:41:59,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 22:41:59,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:41:59,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-10 22:41:59,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-10 22:41:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:41:59,383 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2024-11-10 22:41:59,383 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 44 transitions. cyclomatic complexity: 10 Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:41:59,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 44 transitions. cyclomatic complexity: 10. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 65 transitions. Complement of second has 23 states. [2024-11-10 22:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 4 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-10 22:41:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:41:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 19 transitions. [2024-11-10 22:41:59,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:41:59,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:59,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-10 22:41:59,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:59,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-10 22:41:59,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:41:59,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 65 transitions. [2024-11-10 22:41:59,584 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:41:59,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 48 states and 57 transitions. [2024-11-10 22:41:59,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-10 22:41:59,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-10 22:41:59,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2024-11-10 22:41:59,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:41:59,585 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 57 transitions. [2024-11-10 22:41:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2024-11-10 22:41:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2024-11-10 22:41:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 22:41:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-11-10 22:41:59,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-11-10 22:41:59,596 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-11-10 22:41:59,596 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:41:59,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 52 transitions. [2024-11-10 22:41:59,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:41:59,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:41:59,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:41:59,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:41:59,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:41:59,598 INFO L745 eck$LassoCheckResult]: Stem: 372#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 373#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 384#L20 assume true; 392#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 368#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 405#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 404#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 403#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 367#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 369#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 387#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 411#recFINAL assume true; 409#recEXIT >#22#return; 408#L15-1 #res := #t~ret5;havoc #t~ret5; 401#recFINAL assume true; 402#recEXIT >#24#return; 388#L23 [2024-11-10 22:41:59,600 INFO L747 eck$LassoCheckResult]: Loop: 388#L23 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 389#L20 assume true; 397#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 376#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 377#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 406#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 407#recFINAL assume true; 399#recEXIT >#24#return; 388#L23 [2024-11-10 22:41:59,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:59,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1309096612, now seen corresponding path program 1 times [2024-11-10 22:41:59,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:59,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113011389] [2024-11-10 22:41:59,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:59,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:59,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:59,629 INFO L85 PathProgramCache]: Analyzing trace with hash 206828573, now seen corresponding path program 2 times [2024-11-10 22:41:59,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:59,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24638362] [2024-11-10 22:41:59,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:59,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:41:59,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1542771080, now seen corresponding path program 1 times [2024-11-10 22:41:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:41:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238653305] [2024-11-10 22:41:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:41:59,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:41:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:41:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:41:59,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:41:59,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-10 22:42:00,505 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:42:00,505 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:42:00,505 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:42:00,506 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:42:00,506 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:42:00,506 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,506 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:42:00,506 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:42:00,506 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2024-11-10 22:42:00,506 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:42:00,506 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:42:00,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:00,789 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:42:00,789 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:42:00,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:00,791 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:00,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-10 22:42:00,793 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 [2024-11-10 22:42:00,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:00,802 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 22:42:00,803 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:42:00,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:00,808 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-10 22:42:00,808 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 22:42:00,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:00,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-10 22:42:00,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:00,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:00,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-10 22:42:00,851 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 [2024-11-10 22:42:00,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:00,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:00,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:00,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:00,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:00,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:00,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:00,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:00,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:00,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:00,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-10 22:42:00,884 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 [2024-11-10 22:42:00,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:00,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:00,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:00,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:00,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:00,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:00,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:00,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-10 22:42:00,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:00,910 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:00,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 22:42:00,911 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 [2024-11-10 22:42:00,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:00,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:00,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:00,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:00,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:00,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:00,935 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:42:00,947 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-10 22:42:00,947 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-10 22:42:00,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:00,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:00,948 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:00,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-10 22:42:00,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:42:00,960 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:42:00,960 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:42:00,960 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2024-11-10 22:42:00,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:00,974 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2024-11-10 22:42:00,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~ret9 [2024-11-10 22:42:00,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:01,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:42:01,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:01,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:42:01,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:01,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:42:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:01,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2024-11-10 22:42:01,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 52 transitions. cyclomatic complexity: 11 Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 22:42:01,304 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 52 transitions. cyclomatic complexity: 11. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 150 states and 172 transitions. Complement of second has 21 states. [2024-11-10 22:42:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 22:42:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 30 transitions. [2024-11-10 22:42:01,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-10 22:42:01,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:01,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 24 letters. Loop has 8 letters. [2024-11-10 22:42:01,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:01,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 16 letters. Loop has 16 letters. [2024-11-10 22:42:01,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:01,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 172 transitions. [2024-11-10 22:42:01,310 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:42:01,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 104 states and 119 transitions. [2024-11-10 22:42:01,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2024-11-10 22:42:01,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2024-11-10 22:42:01,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 119 transitions. [2024-11-10 22:42:01,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:42:01,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-10 22:42:01,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 119 transitions. [2024-11-10 22:42:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2024-11-10 22:42:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.144927536231884) internal successors, (79), 72 states have internal predecessors, (79), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (17), 11 states have call predecessors, (17), 13 states have call successors, (17) [2024-11-10 22:42:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-11-10 22:42:01,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-11-10 22:42:01,324 INFO L425 stractBuchiCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-11-10 22:42:01,324 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:42:01,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 109 transitions. [2024-11-10 22:42:01,326 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:42:01,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:42:01,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:42:01,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:42:01,330 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:42:01,330 INFO L745 eck$LassoCheckResult]: Stem: 695#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 696#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 708#L20 assume true; 738#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 735#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 736#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 743#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 742#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 731#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 741#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 751#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 774#recFINAL assume true; 740#recEXIT >#22#return; 739#L15-1 #res := #t~ret5;havoc #t~ret5; 737#recFINAL assume true; 734#recEXIT >#24#return; 733#L23 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 718#L20 assume true; 719#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 699#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 700#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 703#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 704#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 710#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 778#recENTRY [2024-11-10 22:42:01,330 INFO L747 eck$LassoCheckResult]: Loop: 778#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 779#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 709#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 711#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 778#recENTRY [2024-11-10 22:42:01,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1542770277, now seen corresponding path program 2 times [2024-11-10 22:42:01,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:01,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321042630] [2024-11-10 22:42:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:01,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:01,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1137938, now seen corresponding path program 2 times [2024-11-10 22:42:01,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:01,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886966559] [2024-11-10 22:42:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:01,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:01,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1637233068, now seen corresponding path program 3 times [2024-11-10 22:42:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544143673] [2024-11-10 22:42:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:01,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:01,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-10 22:42:02,624 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:42:02,625 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:42:02,625 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:42:02,625 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:42:02,625 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:42:02,625 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:02,625 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:42:02,625 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:42:02,625 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2024-11-10 22:42:02,625 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:42:02,625 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:42:02,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:02,981 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:42:02,981 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:42:02,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:02,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:02,985 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:02,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-10 22:42:02,988 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 [2024-11-10 22:42:03,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,019 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,020 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 [2024-11-10 22:42:03,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-10 22:42:03,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,049 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-10 22:42:03,052 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 [2024-11-10 22:42:03,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,079 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-10 22:42:03,081 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 [2024-11-10 22:42:03,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-10 22:42:03,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,104 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-10 22:42:03,105 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 [2024-11-10 22:42:03,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,119 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,130 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-10 22:42:03,131 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 [2024-11-10 22:42:03,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,143 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-10 22:42:03,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,155 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-10 22:42:03,157 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 [2024-11-10 22:42:03,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:03,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:03,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:03,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,180 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-10 22:42:03,182 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 [2024-11-10 22:42:03,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:03,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,209 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-10 22:42:03,211 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 [2024-11-10 22:42:03,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:03,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,242 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-10 22:42:03,245 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 [2024-11-10 22:42:03,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:03,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-10 22:42:03,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,273 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-10 22:42:03,274 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 [2024-11-10 22:42:03,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,284 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-10 22:42:03,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,288 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-10 22:42:03,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,311 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-10 22:42:03,314 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 [2024-11-10 22:42:03,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:03,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:03,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,345 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-10 22:42:03,347 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 [2024-11-10 22:42:03,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:03,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:03,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:03,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:03,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:03,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:03,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:42:03,371 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-10 22:42:03,371 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-10 22:42:03,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:03,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:03,373 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:03,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-10 22:42:03,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:42:03,384 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:42:03,385 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:42:03,385 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int#0 rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2024-11-10 22:42:03,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:03,398 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-11-10 22:42:03,399 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-10 22:42:03,400 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-10 22:42:03,400 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-10 22:42:03,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:03,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 22:42:03,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:03,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 22:42:03,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:03,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-10 22:42:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:03,622 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-11-10 22:42:03,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21 Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:03,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 125 states and 143 transitions. Complement of second has 21 states. [2024-11-10 22:42:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 19 transitions. [2024-11-10 22:42:03,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 19 transitions. Stem has 24 letters. Loop has 4 letters. [2024-11-10 22:42:03,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:03,736 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:42:03,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:03,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 22:42:03,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:03,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 22:42:03,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:03,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-10 22:42:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:03,959 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2024-11-10 22:42:03,959 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21 Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:04,051 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 125 states and 143 transitions. Complement of second has 21 states. [2024-11-10 22:42:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 19 transitions. [2024-11-10 22:42:04,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 19 transitions. Stem has 24 letters. Loop has 4 letters. [2024-11-10 22:42:04,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:04,053 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:42:04,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:04,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 22:42:04,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:04,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:04,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 22:42:04,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:04,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-10 22:42:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:04,288 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-11-10 22:42:04,288 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21 Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:04,413 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 109 transitions. cyclomatic complexity: 21. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 184 states and 209 transitions. Complement of second has 24 states. [2024-11-10 22:42:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2024-11-10 22:42:04,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 24 letters. Loop has 4 letters. [2024-11-10 22:42:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 28 letters. Loop has 4 letters. [2024-11-10 22:42:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 24 letters. Loop has 8 letters. [2024-11-10 22:42:04,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:04,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 209 transitions. [2024-11-10 22:42:04,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:42:04,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 128 states and 153 transitions. [2024-11-10 22:42:04,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2024-11-10 22:42:04,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2024-11-10 22:42:04,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 153 transitions. [2024-11-10 22:42:04,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:42:04,424 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 153 transitions. [2024-11-10 22:42:04,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 153 transitions. [2024-11-10 22:42:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 84. [2024-11-10 22:42:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 64 states have internal predecessors, (71), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (16), 9 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-10 22:42:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 97 transitions. [2024-11-10 22:42:04,435 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 97 transitions. [2024-11-10 22:42:04,435 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 97 transitions. [2024-11-10 22:42:04,436 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 22:42:04,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 97 transitions. [2024-11-10 22:42:04,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:42:04,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:42:04,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:42:04,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:42:04,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:42:04,441 INFO L745 eck$LassoCheckResult]: Stem: 1593#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1594#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1604#L20 assume true; 1613#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1598#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1599#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 1619#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1617#recFINAL assume true; 1615#recEXIT >#24#return; 1609#L23 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 1611#L20 assume true; 1612#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1589#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1597#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 1647#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 1605#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1588#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 1590#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 1600#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1601#recFINAL assume true; 1616#recEXIT >#22#return; 1648#L15-1 #res := #t~ret5;havoc #t~ret5; 1645#recFINAL assume true; 1646#recEXIT >#24#return; 1607#L23 [2024-11-10 22:42:04,441 INFO L747 eck$LassoCheckResult]: Loop: 1607#L23 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 1608#L20 assume true; 1653#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1643#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1652#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 1649#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1650#recFINAL assume true; 1642#recEXIT >#24#return; 1607#L23 [2024-11-10 22:42:04,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:04,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1522855616, now seen corresponding path program 4 times [2024-11-10 22:42:04,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:04,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844741925] [2024-11-10 22:42:04,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:04,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:04,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 206828573, now seen corresponding path program 3 times [2024-11-10 22:42:04,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:04,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148026481] [2024-11-10 22:42:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1587956772, now seen corresponding path program 5 times [2024-11-10 22:42:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296730480] [2024-11-10 22:42:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:04,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:05,627 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:42:05,627 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:42:05,627 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:42:05,627 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:42:05,627 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:42:05,627 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:05,627 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:42:05,628 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:42:05,628 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2024-11-10 22:42:05,628 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:42:05,628 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:42:05,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:05,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:05,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:05,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:05,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:05,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:06,051 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:42:06,051 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:42:06,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:06,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:06,052 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:06,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-10 22:42:06,054 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 [2024-11-10 22:42:06,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:06,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:06,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:06,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:06,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:06,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:06,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:06,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:06,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:06,077 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:06,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-10 22:42:06,079 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 [2024-11-10 22:42:06,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:06,090 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2024-11-10 22:42:06,090 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:42:06,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:06,103 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2024-11-10 22:42:06,103 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 22:42:06,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:06,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:06,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:06,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:06,140 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:06,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-10 22:42:06,142 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 [2024-11-10 22:42:06,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:06,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:06,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:06,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:06,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:42:06,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:42:06,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:42:06,174 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 22:42:06,174 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-10 22:42:06,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:06,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:06,176 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:06,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-10 22:42:06,177 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:42:06,188 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:42:06,188 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:42:06,188 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~ret9#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_#t~ret9#1 + 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-10 22:42:06,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:06,201 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2024-11-10 22:42:06,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~ret9 [2024-11-10 22:42:06,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:06,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:06,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 22:42:06,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:06,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:42:06,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:06,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:42:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:06,457 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2024-11-10 22:42:06,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:06,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 134 states and 155 transitions. Complement of second has 21 states. [2024-11-10 22:42:06,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 30 transitions. [2024-11-10 22:42:06,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 24 letters. Loop has 8 letters. [2024-11-10 22:42:06,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:06,528 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:42:06,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:06,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 22:42:06,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:06,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:42:06,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:06,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:42:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:06,770 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 6 loop predicates [2024-11-10 22:42:06,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:06,844 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 134 states and 155 transitions. Complement of second has 21 states. [2024-11-10 22:42:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:06,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 30 transitions. [2024-11-10 22:42:06,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 24 letters. Loop has 8 letters. [2024-11-10 22:42:06,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:06,845 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:42:06,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:06,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 22:42:06,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:07,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:42:07,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:07,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:42:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:42:07,091 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2024-11-10 22:42:07,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:07,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 97 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 162 states and 188 transitions. Complement of second has 22 states. [2024-11-10 22:42:07,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 22:42:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 32 transitions. [2024-11-10 22:42:07,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 32 transitions. Stem has 24 letters. Loop has 8 letters. [2024-11-10 22:42:07,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:07,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 32 transitions. Stem has 32 letters. Loop has 8 letters. [2024-11-10 22:42:07,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:07,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 32 transitions. Stem has 24 letters. Loop has 16 letters. [2024-11-10 22:42:07,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:07,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 188 transitions. [2024-11-10 22:42:07,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:42:07,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 107 states and 122 transitions. [2024-11-10 22:42:07,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2024-11-10 22:42:07,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2024-11-10 22:42:07,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 122 transitions. [2024-11-10 22:42:07,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:42:07,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 122 transitions. [2024-11-10 22:42:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 122 transitions. [2024-11-10 22:42:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 36. [2024-11-10 22:42:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 22:42:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-10 22:42:07,186 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-10 22:42:07,186 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-10 22:42:07,186 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 22:42:07,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 42 transitions. [2024-11-10 22:42:07,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:42:07,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:42:07,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:42:07,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-10 22:42:07,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:42:07,188 INFO L745 eck$LassoCheckResult]: Stem: 2515#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2516#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2522#L20 assume true; 2534#L20-1 [2024-11-10 22:42:07,188 INFO L747 eck$LassoCheckResult]: Loop: 2534#L20-1 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2511#L23-1 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 2519#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 2529#L9-1 assume !(#t~mem1 < 0);havoc #t~mem1; 2527#L14 call #t~mem3 := read~int#0(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int#0(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 2510#L15-2 call #t~ret5 := rec(~p.base, ~p.offset);< 2512#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int#0(~p.base, ~p.offset, 4); 2523#L9-1 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 2524#recFINAL assume true; 2538#recEXIT >#22#return; 2543#L15-1 #res := #t~ret5;havoc #t~ret5; 2541#recFINAL assume true; 2539#recEXIT >#24#return; 2530#L23 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~ret9#1; 2532#L20 assume true; 2534#L20-1 [2024-11-10 22:42:07,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash 48624, now seen corresponding path program 1 times [2024-11-10 22:42:07,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:07,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541723315] [2024-11-10 22:42:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:07,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:07,193 INFO L85 PathProgramCache]: Analyzing trace with hash -824108687, now seen corresponding path program 1 times [2024-11-10 22:42:07,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:07,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029640980] [2024-11-10 22:42:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:07,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:07,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 383573922, now seen corresponding path program 6 times [2024-11-10 22:42:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:42:07,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826810427] [2024-11-10 22:42:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:42:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:42:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:42:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:42:07,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:42:07,682 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:42:07,682 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:42:07,682 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:42:07,682 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:42:07,682 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:42:07,682 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,683 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:42:07,683 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:42:07,683 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration6_Lasso [2024-11-10 22:42:07,683 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:42:07,683 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:42:07,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:42:07,795 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:42:07,796 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:42:07,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:07,798 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:07,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-10 22:42:07,801 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 [2024-11-10 22:42:07,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:07,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:07,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:07,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:07,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:07,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:07,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:07,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:07,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-10 22:42:07,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:07,835 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:07,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-10 22:42:07,837 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 [2024-11-10 22:42:07,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:07,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:07,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:07,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:07,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:07,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:07,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:07,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:07,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:07,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:07,868 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:07,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-10 22:42:07,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:42:07,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:07,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:07,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:07,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:07,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:07,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:07,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:07,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:42:07,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-10 22:42:07,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:07,897 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:07,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-10 22:42:07,899 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 [2024-11-10 22:42:07,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:42:07,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:42:07,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:42:07,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:42:07,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:42:07,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:42:07,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:42:07,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:42:07,915 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-10 22:42:07,915 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:42:07,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:42:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:42:07,918 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:42:07,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-10 22:42:07,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:42:07,919 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:42:07,920 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:42:07,920 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-10 22:42:07,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:07,931 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:42:07,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:42:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:07,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:42:07,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:42:07,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 22:42:07,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:42:08,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 22:42:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 22:42:08,080 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2024-11-10 22:42:08,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 42 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:08,142 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 42 transitions. cyclomatic complexity: 8. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 80 states and 95 transitions. Complement of second has 24 states. [2024-11-10 22:42:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-10 22:42:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 22:42:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 17 transitions. [2024-11-10 22:42:08,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17 transitions. Stem has 3 letters. Loop has 15 letters. [2024-11-10 22:42:08,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:08,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17 transitions. Stem has 18 letters. Loop has 15 letters. [2024-11-10 22:42:08,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:08,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 17 transitions. Stem has 3 letters. Loop has 30 letters. [2024-11-10 22:42:08,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:42:08,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 95 transitions. [2024-11-10 22:42:08,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:42:08,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 0 states and 0 transitions. [2024-11-10 22:42:08,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:42:08,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:42:08,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:42:08,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:42:08,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:42:08,148 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:42:08,148 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:42:08,148 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-10 22:42:08,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:42:08,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:42:08,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:42:08,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:42:08 BoogieIcfgContainer [2024-11-10 22:42:08,157 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:42:08,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:42:08,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:42:08,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:42:08,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:41:55" (3/4) ... [2024-11-10 22:42:08,160 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:42:08,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:42:08,162 INFO L158 Benchmark]: Toolchain (without parser) took 13248.36ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 91.2MB in the beginning and 163.3MB in the end (delta: -72.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-10 22:42:08,162 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:42:08,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.29ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 125.2MB in the end (delta: -34.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-10 22:42:08,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.55ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:42:08,163 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 122.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:42:08,163 INFO L158 Benchmark]: IcfgBuilder took 329.10ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 111.3MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:42:08,163 INFO L158 Benchmark]: BuchiAutomizer took 12571.17ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 110.9MB in the beginning and 163.3MB in the end (delta: -52.4MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-10 22:42:08,163 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 281.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:42:08,164 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 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.29ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 125.2MB in the end (delta: -34.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.55ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 122.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 329.10ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 111.3MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12571.17ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 110.9MB in the beginning and 163.3MB in the end (delta: -52.4MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 281.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~p!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~ret9 - 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[#in~p!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~ret9 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function null and consists of 9 locations. One deterministic module has affine ranking function null and consists of 8 locations. One deterministic module has affine ranking function i and consists of 9 locations. One nondeterministic module has affine ranking function null and consists of 7 locations. One nondeterministic module has affine ranking function null and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.5s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 8.9s. Construction of modules took 0.4s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 5 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 [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 149 mSDtfsCounter, 469 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital132 mio100 ax100 hnf100 lsp132 ukn49 mio100 lsp42 div100 bol100 ite100 ukn100 eq162 hnf94 smp100 dnf157 smp91 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 6 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 36 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 22:42:08,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-10 22:42:08,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE