./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/n.c40.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:37:38,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:37:39,039 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:37:39,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:37:39,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:37:39,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:37:39,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:37:39,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:37:39,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:37:39,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:37:39,069 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:37:39,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:37:39,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:37:39,070 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:37:39,070 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:37:39,070 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:37:39,070 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:37:39,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:37:39,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:37:39,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:37:39,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:37:39,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:37:39,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:37:39,074 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:37:39,074 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 [2025-02-08 14:37:39,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:37:39,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:37:39,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:37:39,327 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:37:39,327 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:37:39,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c40.c [2025-02-08 14:37:40,562 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac7d53bc6/f4ec7d9244404691b5064604799a29b2/FLAG17d396dfd [2025-02-08 14:37:40,799 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:37:40,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2025-02-08 14:37:40,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac7d53bc6/f4ec7d9244404691b5064604799a29b2/FLAG17d396dfd [2025-02-08 14:37:40,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac7d53bc6/f4ec7d9244404691b5064604799a29b2 [2025-02-08 14:37:40,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:37:40,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:37:40,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:37:40,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:37:40,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:37:40,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:37:40" (1/1) ... [2025-02-08 14:37:40,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494ea4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:40, skipping insertion in model container [2025-02-08 14:37:40,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:37:40" (1/1) ... [2025-02-08 14:37:40,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:37:40,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:37:41,019 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:37:41,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:37:41,076 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:37:41,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41 WrapperNode [2025-02-08 14:37:41,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:37:41,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:37:41,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:37:41,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:37:41,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,137 INFO L138 Inliner]: procedures = 12, calls = 223, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2025-02-08 14:37:41,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:37:41,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:37:41,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:37:41,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:37:41,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,184 INFO L175 MemorySlicer]: Split 215 memory accesses to 4 slices as follows [2, 8, 102, 103]. 48 percent of accesses are in the largest equivalence class. The 210 initializations are split as follows [2, 8, 100, 100]. The 2 writes are split as follows [0, 0, 0, 2]. [2025-02-08 14:37:41,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:37:41,217 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:37:41,218 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:37:41,219 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:37:41,219 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (1/1) ... [2025-02-08 14:37:41,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:37:41,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:37:41,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:37:41,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:37:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:37:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:37:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 14:37:41,356 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:37:41,358 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:37:41,611 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2025-02-08 14:37:41,611 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:37:41,621 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:37:41,622 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:37:41,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:41 BoogieIcfgContainer [2025-02-08 14:37:41,622 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:37:41,623 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:37:41,623 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:37:41,627 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:37:41,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:41,627 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:37:40" (1/3) ... [2025-02-08 14:37:41,628 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@126f9a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:37:41, skipping insertion in model container [2025-02-08 14:37:41,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:41,628 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:37:41" (2/3) ... [2025-02-08 14:37:41,628 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@126f9a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:37:41, skipping insertion in model container [2025-02-08 14:37:41,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:37:41,628 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:41" (3/3) ... [2025-02-08 14:37:41,629 INFO L363 chiAutomizerObserver]: Analyzing ICFG n.c40.c [2025-02-08 14:37:41,669 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:37:41,669 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:37:41,669 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:37:41,670 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:37:41,670 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:37:41,670 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:37:41,670 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:37:41,670 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:37:41,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:41,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:37:41,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:41,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:41,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:37:41,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:37:41,691 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:37:41,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:37:41,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:37:41,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:37:41,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:37:41,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:37:41,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:37:41,705 INFO L752 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(8, 2);call write~init~int#1(110, 2, 0, 1);call write~init~int#1(46, 2, 1, 1);call write~init~int#1(99, 2, 2, 1);call write~init~int#1(52, 2, 3, 1);call write~init~int#1(48, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(100, 4);~#x~0.base, ~#x~0.offset := 4, 0;call write~init~int#2(0, ~#x~0.base, ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 1 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 2 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 3 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 4 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 5 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 6 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 7 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 8 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 9 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 10 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 11 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 12 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 13 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 14 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 15 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 16 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 17 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 18 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 19 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 20 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 21 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 22 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 23 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 24 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 25 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 26 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 27 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 28 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 29 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 30 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 31 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 32 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 33 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 34 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 35 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 36 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 37 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 38 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 39 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 40 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 41 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 42 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 43 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 44 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 45 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 46 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 47 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 48 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 49 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 50 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 51 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 52 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 53 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 54 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 55 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 56 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 57 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 58 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 59 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 60 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 61 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 62 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 63 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 64 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 65 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 66 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 67 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 68 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 69 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 70 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 71 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 72 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 73 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 74 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 75 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 76 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 77 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 78 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 79 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 80 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 81 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 82 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 83 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 84 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 85 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 86 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 87 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 88 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 89 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 90 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 91 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 92 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 93 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 94 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 95 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 96 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 97 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 98 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 99 + ~#x~0.offset, 1);call #Ultimate.allocInit(100, 5);~#y~0.base, ~#y~0.offset := 5, 0;call write~init~int#3(0, ~#y~0.base, ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 1 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 2 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 3 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 4 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 5 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 6 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 7 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 8 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 9 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 10 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 11 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 12 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 13 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 14 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 15 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 16 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 17 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 18 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 19 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 20 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 21 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 22 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 23 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 24 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 25 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 26 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 27 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 28 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 29 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 30 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 31 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 32 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 33 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 34 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 35 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 36 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 37 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 38 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 39 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 40 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 41 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 42 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 43 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 44 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 45 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 46 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 47 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 48 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 49 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 50 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 51 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 52 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 53 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 54 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 55 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 56 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 57 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 58 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 59 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 60 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 61 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 62 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 63 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 64 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 65 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 66 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 67 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 68 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 69 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 70 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 71 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 72 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 73 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 74 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 75 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 76 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 77 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 78 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 79 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 80 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 81 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 82 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 83 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 84 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 85 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 86 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 87 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 88 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 89 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 90 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 91 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 92 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 93 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 94 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 95 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 96 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 97 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 98 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 99 + ~#y~0.offset, 1);~i~0 := 0;~j~0 := 0;~k~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1;havoc main_#t~nondet4#1;~k~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~i~0 := 0;" [2025-02-08 14:37:41,706 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem5#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1);" "assume 0 != main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int#3(main_#t~mem6#1, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem6#1;main_#t~post7#1 := ~i~0;~i~0 := 1 + main_#t~post7#1;havoc main_#t~post7#1;" [2025-02-08 14:37:41,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:41,711 INFO L85 PathProgramCache]: Analyzing trace with hash 43, now seen corresponding path program 1 times [2025-02-08 14:37:41,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:41,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720461995] [2025-02-08 14:37:41,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:41,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:41,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:41,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:41,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:41,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:41,905 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:41,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:37:41,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:37:41,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:41,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:41,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:41,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:41,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1280, now seen corresponding path program 1 times [2025-02-08 14:37:41,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:41,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330046929] [2025-02-08 14:37:41,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:42,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:42,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:42,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:42,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:42,019 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:37:42,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:37:42,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:37:42,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:42,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:37:42,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:37:42,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:37:42,033 INFO L85 PathProgramCache]: Analyzing trace with hash 41642, now seen corresponding path program 1 times [2025-02-08 14:37:42,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:37:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794081717] [2025-02-08 14:37:42,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:37:42,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:37:42,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:37:42,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:37:42,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:37:42,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:37:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:37:42,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:37:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794081717] [2025-02-08 14:37:42,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794081717] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:37:42,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:37:42,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:37:42,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374998400] [2025-02-08 14:37:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:37:42,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:37:42,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 14:37:42,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 14:37:42,608 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 14:37:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:37:42,659 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2025-02-08 14:37:42,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 7 transitions. [2025-02-08 14:37:42,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:37:42,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2025-02-08 14:37:42,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:37:42,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:37:42,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:37:42,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:37:42,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:37:42,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:37:42,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 14:37:42,675 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:37:42,677 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:37:42,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:37:42,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:37:42,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:37:42,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:37:42 BoogieIcfgContainer [2025-02-08 14:37:42,686 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:37:42,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:37:42,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:37:42,690 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:37:42,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:37:41" (3/4) ... [2025-02-08 14:37:42,692 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:37:42,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:37:42,696 INFO L158 Benchmark]: Toolchain (without parser) took 1874.09ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 91.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2025-02-08 14:37:42,696 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:37:42,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.07ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 120.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:37:42,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.43ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 117.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:37:42,698 INFO L158 Benchmark]: Boogie Preprocessor took 75.21ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 114.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:37:42,698 INFO L158 Benchmark]: IcfgBuilder took 405.54ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 93.3MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 14:37:42,699 INFO L158 Benchmark]: BuchiAutomizer took 1064.02ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 91.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:37:42,700 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:37:42,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.07ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 120.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.43ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 117.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.21ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 114.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 405.54ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 93.3MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1064.02ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 91.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-08 14:37:42,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE