./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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-industry-pattern/array_ptr_single_elem_init-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 b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:02:02,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:02:02,448 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:02:02,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:02:02,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:02:02,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:02:02,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:02:02,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:02:02,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:02:02,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:02:02,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:02:02,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:02:02,489 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:02:02,489 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:02:02,490 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:02:02,490 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:02:02,491 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:02:02,491 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:02:02,491 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:02:02,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:02:02,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:02:02,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:02:02,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:02:02,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:02:02,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:02:02,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:02:02,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:02:02,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:02:02,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:02:02,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:02:02,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:02:02,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:02:02,513 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:02:02,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:02:02,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:02:02,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:02:02,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:02:02,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:02:02,514 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:02:02,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2024-11-12 21:02:02,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:02:02,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:02:02,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:02:02,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:02:02,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:02:02,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-11-12 21:02:04,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:02:04,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:02:04,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-11-12 21:02:04,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd2c8405/c15221e2f70341e9992ef6ba69c17093/FLAGada79fe6c [2024-11-12 21:02:04,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd2c8405/c15221e2f70341e9992ef6ba69c17093 [2024-11-12 21:02:04,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:02:04,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:02:04,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:02:04,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:02:04,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:02:04,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4777ce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04, skipping insertion in model container [2024-11-12 21:02:04,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:02:04,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:02:04,719 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:02:04,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:02:04,758 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:02:04,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04 WrapperNode [2024-11-12 21:02:04,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:02:04,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:02:04,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:02:04,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:02:04,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,789 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-12 21:02:04,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:02:04,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:02:04,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:02:04,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:02:04,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,818 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 2, 5]. 56 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 1, 3]. [2024-11-12 21:02:04,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:02:04,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:02:04,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:02:04,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:02:04,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (1/1) ... [2024-11-12 21:02:04,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:04,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:04,875 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) [2024-11-12 21:02:04,877 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 [2024-11-12 21:02:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:02:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:02:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 21:02:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 21:02:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 21:02:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 21:02:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:02:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 21:02:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 21:02:04,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:02:05,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:02:05,171 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 21:02:05,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:02:05,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:02:05,182 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:02:05,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:05 BoogieIcfgContainer [2024-11-12 21:02:05,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:02:05,183 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:02:05,183 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:02:05,187 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:02:05,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:05,187 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:02:04" (1/3) ... [2024-11-12 21:02:05,188 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39eba53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:02:05, skipping insertion in model container [2024-11-12 21:02:05,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:05,188 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:04" (2/3) ... [2024-11-12 21:02:05,189 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39eba53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:02:05, skipping insertion in model container [2024-11-12 21:02:05,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:05,189 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:05" (3/3) ... [2024-11-12 21:02:05,190 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2024-11-12 21:02:05,237 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:02:05,238 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:02:05,238 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:02:05,238 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:02:05,238 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:02:05,238 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:02:05,238 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:02:05,238 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:02:05,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2024-11-12 21:02:05,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-12 21:02:05,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:05,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:05,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:02:05,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:02:05,260 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:02:05,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2024-11-12 21:02:05,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-12 21:02:05,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:05,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:05,264 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:02:05,264 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:02:05,272 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" [2024-11-12 21:02:05,272 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;main_~q~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume 0 == main_~q~0#1;call write~int#2(1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1((if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2), main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4);" "call main_#t~mem2#1 := read~int#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 != main_#t~mem2#1);havoc main_#t~mem2#1;" "havoc main_~q~0#1;" "main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2024-11-12 21:02:05,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:05,279 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 21:02:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:05,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147015715] [2024-11-12 21:02:05,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:05,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:05,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:05,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1186335281, now seen corresponding path program 1 times [2024-11-12 21:02:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:05,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279768842] [2024-11-12 21:02:05,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:05,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:05,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279768842] [2024-11-12 21:02:05,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279768842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:05,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145380094] [2024-11-12 21:02:05,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:05,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:05,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:05,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:05,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:02:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:05,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:02:05,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:05,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-11-12 21:02:05,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-12 21:02:05,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145380094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:05,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:05,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-12 21:02:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39125082] [2024-11-12 21:02:05,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:05,935 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:02:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:05,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 21:02:05,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 21:02:05,966 INFO L87 Difference]: Start difference. First operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:06,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:06,032 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2024-11-12 21:02:06,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-11-12 21:02:06,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-11-12 21:02:06,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 26 transitions. [2024-11-12 21:02:06,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-12 21:02:06,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-12 21:02:06,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2024-11-12 21:02:06,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:02:06,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-12 21:02:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2024-11-12 21:02:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2024-11-12 21:02:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-12 21:02:06,070 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 21:02:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:02:06,075 INFO L426 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 21:02:06,075 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:02:06,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-11-12 21:02:06,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-12 21:02:06,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:06,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:06,077 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:02:06,077 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-12 21:02:06,077 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" [2024-11-12 21:02:06,077 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;main_~q~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 == main_~q~0#1);" "call main_#t~mem2#1 := read~int#2(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 != main_#t~mem2#1);havoc main_#t~mem2#1;" "havoc main_~q~0#1;" "main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2024-11-12 21:02:06,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-12 21:02:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:06,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883940507] [2024-11-12 21:02:06,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:06,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:06,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1188182323, now seen corresponding path program 1 times [2024-11-12 21:02:06,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:06,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094465915] [2024-11-12 21:02:06,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:06,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,118 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:06,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash 268231541, now seen corresponding path program 1 times [2024-11-12 21:02:06,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:06,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460337174] [2024-11-12 21:02:06,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:06,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:06,555 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:06,556 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:06,556 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:06,556 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:06,557 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:06,557 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:06,557 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:06,557 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:06,557 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Lasso [2024-11-12 21:02:06,557 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:06,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:06,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:06,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:07,041 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:07,046 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:07,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,071 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) [2024-11-12 21:02:07,072 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 [2024-11-12 21:02:07,073 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 [2024-11-12 21:02:07,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:07,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:07,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,111 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 [2024-11-12 21:02:07,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,113 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) [2024-11-12 21:02:07,114 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 [2024-11-12 21:02:07,115 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 [2024-11-12 21:02:07,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:07,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:07,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,150 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 [2024-11-12 21:02:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,153 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) [2024-11-12 21:02:07,154 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 [2024-11-12 21:02:07,155 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 [2024-11-12 21:02:07,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:07,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:07,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,195 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 [2024-11-12 21:02:07,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,198 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) [2024-11-12 21:02:07,199 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 [2024-11-12 21:02:07,201 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 [2024-11-12 21:02:07,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:07,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:07,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:07,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:07,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,239 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) [2024-11-12 21:02:07,241 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 [2024-11-12 21:02:07,243 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 [2024-11-12 21:02:07,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:07,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:07,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:07,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,274 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 [2024-11-12 21:02:07,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,277 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) [2024-11-12 21:02:07,279 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 [2024-11-12 21:02:07,281 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 [2024-11-12 21:02:07,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:07,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:07,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:07,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:07,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,313 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) [2024-11-12 21:02:07,317 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 [2024-11-12 21:02:07,318 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 [2024-11-12 21:02:07,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:07,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:07,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:07,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:07,348 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 [2024-11-12 21:02:07,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,350 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) [2024-11-12 21:02:07,351 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 [2024-11-12 21:02:07,352 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 [2024-11-12 21:02:07,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:07,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:07,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:07,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:07,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:07,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:07,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:07,411 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-12 21:02:07,411 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-12 21:02:07,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,419 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) [2024-11-12 21:02:07,421 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 [2024-11-12 21:02:07,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:07,439 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 21:02:07,439 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:07,440 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-12 21:02:07,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-12 21:02:07,479 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-12 21:02:07,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 21:02:07,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-12 21:02:07,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:07,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:07,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:07,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:02:07,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:07,621 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 21:02:07,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-12 21:02:07,682 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 36 transitions. Complement of second has 5 states. [2024-11-12 21:02:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:02:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-12 21:02:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-12 21:02:07,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-12 21:02:07,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:07,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-12 21:02:07,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:07,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 12 letters. [2024-11-12 21:02:07,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:07,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 36 transitions. [2024-11-12 21:02:07,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:02:07,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 18 states and 24 transitions. [2024-11-12 21:02:07,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-12 21:02:07,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-12 21:02:07,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2024-11-12 21:02:07,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:02:07,692 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-12 21:02:07,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2024-11-12 21:02:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-12 21:02:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2024-11-12 21:02:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2024-11-12 21:02:07,694 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-12 21:02:07,695 INFO L426 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-12 21:02:07,695 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:02:07,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2024-11-12 21:02:07,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:02:07,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:07,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:07,698 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-12 21:02:07,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:07,698 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < 100000);" "call write~int#2(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0;" [2024-11-12 21:02:07,698 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < 100000);" "assume !(15000 == main_~i~0#1);" "main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-11-12 21:02:07,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:07,699 INFO L85 PathProgramCache]: Analyzing trace with hash 925727, now seen corresponding path program 1 times [2024-11-12 21:02:07,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:07,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644290239] [2024-11-12 21:02:07,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:07,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:07,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:07,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644290239] [2024-11-12 21:02:07,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644290239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:07,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536660886] [2024-11-12 21:02:07,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,744 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:07,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 21:02:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:07,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:07,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:07,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:07,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-12 21:02:07,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536660886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:07,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:07,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 21:02:07,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485608745] [2024-11-12 21:02:07,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:07,843 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:02:07,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash 74157, now seen corresponding path program 1 times [2024-11-12 21:02:07,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706577607] [2024-11-12 21:02:07,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:07,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:07,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:07,871 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:07,871 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:07,871 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:07,871 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:07,871 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:02:07,871 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,871 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:07,871 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:07,872 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2024-11-12 21:02:07,872 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:07,872 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:07,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:07,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:07,924 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:07,925 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:02:07,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,928 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) [2024-11-12 21:02:07,930 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 [2024-11-12 21:02:07,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:02:07,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:07,952 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:02:07,952 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:02:07,979 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 [2024-11-12 21:02:07,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:07,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:07,984 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) [2024-11-12 21:02:07,985 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 [2024-11-12 21:02:07,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:02:07,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:08,025 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 [2024-11-12 21:02:08,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:08,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:08,026 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) [2024-11-12 21:02:08,027 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 [2024-11-12 21:02:08,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:02:08,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:08,124 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:02:08,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:08,130 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:08,130 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:08,130 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:08,130 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:08,130 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:08,130 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:08,130 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:08,130 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:08,130 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2024-11-12 21:02:08,130 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:08,130 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:08,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:08,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:08,183 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:08,183 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:08,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:08,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:08,185 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:08,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 21:02:08,188 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 [2024-11-12 21:02:08,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:08,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:08,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:08,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:08,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:08,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:08,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:08,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:08,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:08,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:08,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:08,220 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:08,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 21:02:08,223 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 [2024-11-12 21:02:08,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:08,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:08,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:08,236 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:02:08,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:08,237 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:02:08,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:08,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:08,243 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:02:08,243 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:02:08,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:08,245 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:08,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-12 21:02:08,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:08,248 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:02:08,248 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:08,248 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2024-11-12 21:02:08,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:08,263 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:02:08,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:08,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:08,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:08,304 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:02:08,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:08,322 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 21:02:08,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 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) [2024-11-12 21:02:08,338 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. 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 23 states and 31 transitions. Complement of second has 4 states. [2024-11-12 21:02:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:02:08,339 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) [2024-11-12 21:02:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-12 21:02:08,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-12 21:02:08,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:08,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-12 21:02:08,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:08,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-12 21:02:08,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:08,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2024-11-12 21:02:08,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:02:08,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-12 21:02:08,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:02:08,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:02:08,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:02:08,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:02:08,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:02:08,342 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:02:08,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:08,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:02:08,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:02:08,343 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-12 21:02:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:08,343 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-12 21:02:08,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-12 21:02:08,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:02:08,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 21:02:08,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:02:08,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:02:08,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:02:08,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:02:08,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:02:08,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:02:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 21:02:08,345 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:02:08,345 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:02:08,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 21:02:08,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:02:08,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:02:08,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:02:08 BoogieIcfgContainer [2024-11-12 21:02:08,354 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:02:08,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:02:08,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:02:08,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:02:08,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:05" (3/4) ... [2024-11-12 21:02:08,357 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:02:08,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:02:08,359 INFO L158 Benchmark]: Toolchain (without parser) took 3879.01ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 133.1MB in the beginning and 133.5MB in the end (delta: -383.6kB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,359 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:02:08,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.11ms. Allocated memory is still 161.5MB. Free memory was 133.1MB in the beginning and 120.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.47ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,361 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,361 INFO L158 Benchmark]: RCFGBuilder took 345.49ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 125.7MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,361 INFO L158 Benchmark]: BuchiAutomizer took 3171.27ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 133.5MB in the end (delta: -8.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-12 21:02:08,362 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 195.0MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:02:08,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.11ms. Allocated memory is still 161.5MB. Free memory was 133.1MB in the beginning and 120.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.47ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.49ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 125.7MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3171.27ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 133.5MB in the end (delta: -8.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 195.0MB. Free memory is still 133.5MB. 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: #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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 199999) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 44 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital55 mio100 ax100 hnf100 lsp95 ukn90 mio100 lsp79 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf137 smp94 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 21:02:08,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:08,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:08,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:02:08,989 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