./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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-memory-alloca/a.05-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:07:05,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:07:05,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:07:05,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:07:05,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:07:05,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:07:05,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:07:05,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:07:05,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:07:05,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:07:05,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:07:05,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:07:05,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:07:05,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:07:05,330 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:07:05,330 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:07:05,330 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:07:05,331 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:07:05,331 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:07:05,331 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:07:05,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:07:05,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:07:05,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:07:05,337 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:07:05,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:07:05,337 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:07:05,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:07:05,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:07:05,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:07:05,338 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:07:05,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 [2024-11-17 08:07:05,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:07:05,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:07:05,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:07:05,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:07:05,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:07:05,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2024-11-17 08:07:07,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:07:07,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:07:07,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2024-11-17 08:07:07,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e247f945/012bdca912de4831acd873fa1ef4ed7b/FLAGfc5606ae6 [2024-11-17 08:07:07,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e247f945/012bdca912de4831acd873fa1ef4ed7b [2024-11-17 08:07:07,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:07:07,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:07:07,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:07:07,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:07:07,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:07:07,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3353c96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07, skipping insertion in model container [2024-11-17 08:07:07,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:07:07,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:07:07,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:07:07,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:07:07,666 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:07:07,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07 WrapperNode [2024-11-17 08:07:07,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:07:07,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:07:07,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:07:07,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:07:07,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,701 INFO L138 Inliner]: procedures = 111, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-17 08:07:07,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:07:07,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:07:07,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:07:07,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:07:07,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,726 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [5, 2, 2]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 4 writes are split as follows [2, 1, 1]. [2024-11-17 08:07:07,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,729 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:07:07,733 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:07:07,733 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:07:07,733 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:07:07,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (1/1) ... [2024-11-17 08:07:07,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:07,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:07,761 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) [2024-11-17 08:07:07,763 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 [2024-11-17 08:07:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 08:07:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 08:07:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:07:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:07:07,878 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:07:07,880 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:07:07,972 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L561: havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;havoc main_#t~ret13#1; [2024-11-17 08:07:07,973 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L558: havoc test_fun_#t~mem10#1;call ULTIMATE.dealloc(test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset);havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call ULTIMATE.dealloc(test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset);havoc test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call ULTIMATE.dealloc(test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset);havoc test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset; [2024-11-17 08:07:07,982 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-17 08:07:07,983 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:07:07,991 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:07:07,991 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:07:07,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:07:07 BoogieIcfgContainer [2024-11-17 08:07:07,991 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:07:07,992 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:07:07,992 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:07:07,995 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:07:07,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:07:07,996 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:07:07" (1/3) ... [2024-11-17 08:07:07,997 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@95eeba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:07:07, skipping insertion in model container [2024-11-17 08:07:07,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:07:07,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:07:07" (2/3) ... [2024-11-17 08:07:07,998 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@95eeba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:07:07, skipping insertion in model container [2024-11-17 08:07:07,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:07:07,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:07:07" (3/3) ... [2024-11-17 08:07:07,999 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2024-11-17 08:07:08,047 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:07:08,048 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:07:08,048 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:07:08,048 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:07:08,050 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:07:08,050 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:07:08,050 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:07:08,050 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:07:08,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:07:08,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:07:08,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:07:08,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:07:08,071 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:07:08,072 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:07:08,072 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:07:08,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:07:08,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:07:08,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:07:08,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:07:08,075 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:07:08,075 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:07:08,079 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#2(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 3#L555true [2024-11-17 08:07:08,079 INFO L747 eck$LassoCheckResult]: Loop: 3#L555true assume true;call test_fun_#t~mem5#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 < 2147483647; 6#L555-2true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#2(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 >= 1 + test_fun_#t~mem6#1; 9#L555-1true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 3#L555true [2024-11-17 08:07:08,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:08,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 1 times [2024-11-17 08:07:08,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:08,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120633792] [2024-11-17 08:07:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:08,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:08,291 INFO L85 PathProgramCache]: Analyzing trace with hash 42635, now seen corresponding path program 1 times [2024-11-17 08:07:08,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:08,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033816458] [2024-11-17 08:07:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:08,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:08,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:08,329 INFO L85 PathProgramCache]: Analyzing trace with hash 43865196, now seen corresponding path program 1 times [2024-11-17 08:07:08,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:07:08,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958018872] [2024-11-17 08:07:08,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:07:08,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:07:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:07:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:07:08,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:07:09,144 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:07:09,144 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:07:09,145 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:07:09,145 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:07:09,145 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:07:09,145 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,145 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:07:09,146 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:07:09,146 INFO L132 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2024-11-17 08:07:09,146 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:07:09,146 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:07:09,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:07:09,752 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:07:09,755 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:07:09,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:09,759 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) [2024-11-17 08:07:09,761 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 [2024-11-17 08:07:09,762 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 [2024-11-17 08:07:09,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:07:09,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:07:09,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:07:09,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:07:09,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:07:09,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:07:09,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:07:09,795 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 [2024-11-17 08:07:09,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:09,797 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) [2024-11-17 08:07:09,803 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 [2024-11-17 08:07:09,804 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 [2024-11-17 08:07:09,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:07:09,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:07:09,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:07:09,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:07:09,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:07:09,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:07:09,823 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:07:09,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-17 08:07:09,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:09,839 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) [2024-11-17 08:07:09,841 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 [2024-11-17 08:07:09,842 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 [2024-11-17 08:07:09,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:07:09,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:07:09,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:07:09,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:07:09,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:07:09,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:07:09,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:07:09,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:07:09,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:09,875 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) [2024-11-17 08:07:09,876 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 [2024-11-17 08:07:09,877 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 [2024-11-17 08:07:09,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:07:09,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:07:09,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:07:09,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:07:09,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:07:09,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:07:09,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:07:09,920 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-17 08:07:09,921 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-17 08:07:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:07:09,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:07:09,924 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) [2024-11-17 08:07:09,925 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 [2024-11-17 08:07:09,926 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:07:09,938 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:07:09,938 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:07:09,939 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 + 4294967293 Supporting invariants [] [2024-11-17 08:07:09,950 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 [2024-11-17 08:07:09,999 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-11-17 08:07:10,009 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-17 08:07:10,010 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-17 08:07:10,011 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-17 08:07:10,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:07:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:07:10,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:07:10,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:07:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:07:10,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 08:07:10,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:07:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:07:10,173 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-17 08:07:10,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:07:10,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 10 states. [2024-11-17 08:07:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-17 08:07:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:07:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2024-11-17 08:07:10,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-17 08:07:10,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:10,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-17 08:07:10,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:10,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-17 08:07:10,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:07:10,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-11-17 08:07:10,232 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:07:10,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-17 08:07:10,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:07:10,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:07:10,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:07:10,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:07:10,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:07:10,235 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:07:10,236 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:07:10,236 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:07:10,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:07:10,236 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:07:10,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:07:10,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:07:10 BoogieIcfgContainer [2024-11-17 08:07:10,242 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:07:10,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:07:10,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:07:10,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:07:10,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:07:07" (3/4) ... [2024-11-17 08:07:10,244 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:07:10,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:07:10,246 INFO L158 Benchmark]: Toolchain (without parser) took 3010.95ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 75.1MB in the beginning and 89.1MB in the end (delta: -14.1MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2024-11-17 08:07:10,246 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:10,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.96ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 74.9MB in the beginning and 220.7MB in the end (delta: -145.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-17 08:07:10,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.17ms. Allocated memory is still 262.1MB. Free memory was 219.7MB in the beginning and 218.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:10,247 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 262.1MB. Free memory was 218.6MB in the beginning and 216.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:07:10,247 INFO L158 Benchmark]: IcfgBuilder took 258.51ms. Allocated memory is still 262.1MB. Free memory was 216.5MB in the beginning and 202.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 08:07:10,248 INFO L158 Benchmark]: BuchiAutomizer took 2249.49ms. Allocated memory is still 262.1MB. Free memory was 202.9MB in the beginning and 89.1MB in the end (delta: 113.8MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2024-11-17 08:07:10,248 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 262.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:07:10,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.96ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 74.9MB in the beginning and 220.7MB in the end (delta: -145.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.17ms. Allocated memory is still 262.1MB. Free memory was 219.7MB in the beginning and 218.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 262.1MB. Free memory was 218.6MB in the beginning and 216.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 258.51ms. Allocated memory is still 262.1MB. Free memory was 216.5MB in the beginning and 202.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2249.49ms. Allocated memory is still 262.1MB. Free memory was 202.9MB in the beginning and 89.1MB in the end (delta: 113.8MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 262.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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[~y_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax108 hnf100 lsp91 ukn75 mio100 lsp24 div100 bol100 ite100 ukn100 eq163 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:07:10,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-17 08:07:10,471 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