./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/openbsd_cbzero-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:44:29,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:44:29,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 22:44:30,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:44:30,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:44:30,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:44:30,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:44:30,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:44:30,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:44:30,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:44:30,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:44:30,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:44:30,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:44:30,032 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:44:30,032 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:44:30,033 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:44:30,033 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:44:30,033 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:44:30,033 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:44:30,033 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:44:30,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:44:30,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:44:30,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:44:30,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:44:30,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:44:30,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:44:30,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:44:30,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:44:30,038 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:44:30,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:44:30,038 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:44:30,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:44:30,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:44:30,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:44:30,039 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:44:30,039 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2024-11-10 22:44:30,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:44:30,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:44:30,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:44:30,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:44:30,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:44:30,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2024-11-10 22:44:31,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:44:31,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:44:31,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2024-11-10 22:44:31,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8848d4818/e1f77f7ba4204bcdae5c16ad79a3f4df/FLAG16c33245a [2024-11-10 22:44:32,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8848d4818/e1f77f7ba4204bcdae5c16ad79a3f4df [2024-11-10 22:44:32,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:44:32,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:44:32,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:44:32,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:44:32,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:44:32,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2c171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32, skipping insertion in model container [2024-11-10 22:44:32,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:44:32,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:44:32,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:44:32,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:44:32,439 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:44:32,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32 WrapperNode [2024-11-10 22:44:32,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:44:32,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:44:32,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:44:32,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:44:32,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,469 INFO L138 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-10 22:44:32,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:44:32,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:44:32,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:44:32,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:44:32,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,489 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-10 22:44:32,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,494 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:44:32,497 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:44:32,497 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:44:32,497 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:44:32,498 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (1/1) ... [2024-11-10 22:44:32,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:32,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:32,523 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 22:44:32,525 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 22:44:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 22:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:44:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:44:32,638 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:44:32,642 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:44:32,716 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L529: call ULTIMATE.dealloc(main_#t~malloc6#1.base, main_#t~malloc6#1.offset);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; [2024-11-10 22:44:32,727 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 22:44:32,727 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:44:32,740 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:44:32,741 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:44:32,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:44:32 BoogieIcfgContainer [2024-11-10 22:44:32,742 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:44:32,743 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:44:32,743 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:44:32,746 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:44:32,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:44:32,747 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:44:32" (1/3) ... [2024-11-10 22:44:32,747 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a8eb2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:44:32, skipping insertion in model container [2024-11-10 22:44:32,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:44:32,748 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:44:32" (2/3) ... [2024-11-10 22:44:32,749 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a8eb2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:44:32, skipping insertion in model container [2024-11-10 22:44:32,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:44:32,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:44:32" (3/3) ... [2024-11-10 22:44:32,751 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-2.i [2024-11-10 22:44:32,804 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:44:32,804 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:44:32,804 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:44:32,804 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:44:32,804 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:44:32,804 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:44:32,804 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:44:32,805 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:44:32,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:44:32,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:44:32,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:44:32,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:44:32,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-10 22:44:32,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:44:32,826 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:44:32,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:44:32,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:44:32,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:44:32,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:44:32,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-10 22:44:32,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:44:32,833 INFO L745 eck$LassoCheckResult]: Stem: 6#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~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet4#1;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10#L522true assume !(main_~length~0#1 < 1); 2#L525true assume main_~n~0#1 < 1;main_~n~0#1 := 1; 11#L528-1true assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post2#1, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset; 9#L516true [2024-11-10 22:44:32,833 INFO L747 eck$LassoCheckResult]: Loop: 9#L516true assume true;cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1; 3#L516-1true assume !!(0 != cbzero_#t~post2#1 % 4294967296);havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int#0(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1); 9#L516true [2024-11-10 22:44:32,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:44:32,840 INFO L85 PathProgramCache]: Analyzing trace with hash 47683377, now seen corresponding path program 1 times [2024-11-10 22:44:32,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:44:32,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609815046] [2024-11-10 22:44:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:44:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:44:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:32,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:44:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:32,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:44:32,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:44:32,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-10 22:44:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:44:32,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359599603] [2024-11-10 22:44:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:44:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:44:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:32,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:44:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:32,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:44:32,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:44:32,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1420914704, now seen corresponding path program 1 times [2024-11-10 22:44:32,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:44:32,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645447520] [2024-11-10 22:44:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:44:32,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:44:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:33,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:44:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:44:33,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:44:33,424 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:44:33,424 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:44:33,424 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:44:33,424 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:44:33,425 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:44:33,425 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,425 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:44:33,425 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:44:33,425 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-2.i_Iteration1_Lasso [2024-11-10 22:44:33,425 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:44:33,425 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:44:33,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:44:33,814 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:44:33,817 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:44:33,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,820 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 22:44:33,821 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 22:44:33,822 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 22:44:33,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:33,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:33,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:33,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:33,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-10 22:44:33,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,856 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 22:44:33,857 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 22:44:33,858 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 22:44:33,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:33,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:33,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:33,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:33,881 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 22:44:33,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,883 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 22:44:33,885 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 22:44:33,885 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 22:44:33,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:33,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:33,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:33,911 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 [2024-11-10 22:44:33,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,914 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 22:44:33,915 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 22:44:33,915 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 22:44:33,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:33,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:33,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:33,928 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:33,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-10 22:44:33,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,941 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 22:44:33,944 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 22:44:33,947 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 22:44:33,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:33,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:33,959 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:33,970 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 [2024-11-10 22:44:33,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:33,972 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 22:44:33,975 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 22:44:33,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:44:33,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:33,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:33,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:33,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:33,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:33,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:33,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:33,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,001 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 22:44:34,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,004 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 22:44:34,005 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 22:44:34,006 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 22:44:34,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:34,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:34,025 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,035 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 22:44:34,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,037 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 22:44:34,039 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 22:44:34,039 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 22:44:34,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:34,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:34,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:34,051 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,062 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 22:44:34,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,063 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 22:44:34,064 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 22:44:34,065 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 22:44:34,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:44:34,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:44:34,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:44:34,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,087 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 22:44:34,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,088 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 22:44:34,089 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 22:44:34,089 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 22:44:34,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:34,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:34,107 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,117 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 22:44:34,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,119 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 22:44:34,119 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 22:44:34,120 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 22:44:34,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:34,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:34,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-10 22:44:34,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,150 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 22:44:34,151 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 22:44:34,152 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 22:44:34,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:34,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:34,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:44:34,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-10 22:44:34,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,182 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 22:44:34,183 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 22:44:34,183 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 22:44:34,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:44:34,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:44:34,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:44:34,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:44:34,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:44:34,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:44:34,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:44:34,238 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 22:44:34,238 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-10 22:44:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:44:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:44:34,241 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 22:44:34,242 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 22:44:34,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:44:34,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:44:34,256 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:44:34,257 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cbzero_~p~0#1.base)_1, ULTIMATE.start_cbzero_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cbzero_~p~0#1.base)_1 - 1*ULTIMATE.start_cbzero_~p~0#1.offset Supporting invariants [] [2024-11-10 22:44:34,270 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 22:44:34,280 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-10 22:44:34,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-10 22:44:34,287 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 22:44:34,287 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 22:44:34,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:44:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:44:34,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:44:34,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:44:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:44:34,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 22:44:34,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:44:34,346 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 22:44:34,372 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:44:34,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-10 22:44:34,399 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 21 states and 25 transitions. Complement of second has 6 states. [2024-11-10 22:44:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:44:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-10 22:44:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-10 22:44:34,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-10 22:44:34,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:44:34,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-10 22:44:34,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:44:34,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-10 22:44:34,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:44:34,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2024-11-10 22:44:34,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:44:34,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2024-11-10 22:44:34,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:44:34,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:44:34,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:44:34,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:44:34,413 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:44:34,413 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:44:34,413 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:44:34,414 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:44:34,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:44:34,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:44:34,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:44:34,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:44:34 BoogieIcfgContainer [2024-11-10 22:44:34,418 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:44:34,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:44:34,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:44:34,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:44:34,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:44:32" (3/4) ... [2024-11-10 22:44:34,421 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:44:34,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:44:34,422 INFO L158 Benchmark]: Toolchain (without parser) took 2285.38ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 131.2MB in the beginning and 127.6MB in the end (delta: 3.6MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2024-11-10 22:44:34,422 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:44:34,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.42ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 112.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 22:44:34,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.56ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:44:34,423 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 109.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:44:34,423 INFO L158 Benchmark]: IcfgBuilder took 244.68ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 97.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:44:34,424 INFO L158 Benchmark]: BuchiAutomizer took 1675.90ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 97.7MB in the beginning and 128.7MB in the end (delta: -31.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-10 22:44:34,424 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 260.0MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:44:34,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.42ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 112.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.56ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 109.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 244.68ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 97.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1675.90ms. Allocated memory was 184.5MB in the beginning and 260.0MB in the end (delta: 75.5MB). Free memory was 97.7MB in the beginning and 128.7MB in the end (delta: -31.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 260.0MB. Free memory is still 127.6MB. 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: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital98 mio100 ax118 hnf100 lsp72 ukn84 mio100 lsp46 div157 bol100 ite100 ukn100 eq157 hnf96 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms 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! [2024-11-10 22:44:34,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-10 22:44:34,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE