./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-sets/test_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc 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/ldv-sets/test_add-2.i -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 b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:28:16,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:28:16,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:28:17,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:28:17,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:28:17,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:28:17,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:28:17,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:28:17,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:28:17,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:28:17,024 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:28:17,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:28:17,025 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:28:17,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:28:17,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:28:17,026 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:28:17,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:28:17,026 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:28:17,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:28:17,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:28:17,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:28:17,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:28:17,026 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:28:17,026 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 -> b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff [2025-02-06 19:28:17,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:28:17,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:28:17,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:28:17,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:28:17,262 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:28:17,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-2.i [2025-02-06 19:28:18,393 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd416ba1c/c3a3cb8a2f6048bf8e84c5d463a58d3e/FLAG1553f6f5c [2025-02-06 19:28:18,665 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:28:18,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-2.i [2025-02-06 19:28:18,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd416ba1c/c3a3cb8a2f6048bf8e84c5d463a58d3e/FLAG1553f6f5c [2025-02-06 19:28:18,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd416ba1c/c3a3cb8a2f6048bf8e84c5d463a58d3e [2025-02-06 19:28:18,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:28:18,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:28:18,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:28:18,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:28:18,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:28:18,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:28:18" (1/1) ... [2025-02-06 19:28:18,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458529a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:18, skipping insertion in model container [2025-02-06 19:28:18,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:28:18" (1/1) ... [2025-02-06 19:28:18,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:28:18,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:28:18,957 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:28:18,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:28:19,025 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:28:19,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19 WrapperNode [2025-02-06 19:28:19,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:28:19,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:28:19,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:28:19,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:28:19,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,051 INFO L138 Inliner]: procedures = 135, calls = 47, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 114 [2025-02-06 19:28:19,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:28:19,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:28:19,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:28:19,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:28:19,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,074 INFO L175 MemorySlicer]: Split 16 memory accesses to 2 slices as follows [2, 14]. 88 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2]. The 5 writes are split as follows [0, 5]. [2025-02-06 19:28:19,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:28:19,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:28:19,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:28:19,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:28:19,083 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (1/1) ... [2025-02-06 19:28:19,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:28:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:28:19,104 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) [2025-02-06 19:28:19,106 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 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 19:28:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:28:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:28:19,205 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:28:19,206 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:28:19,368 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2025-02-06 19:28:19,368 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:28:19,374 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:28:19,374 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:28:19,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:28:19 BoogieIcfgContainer [2025-02-06 19:28:19,374 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:28:19,375 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:28:19,375 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:28:19,379 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:28:19,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:28:19,380 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:28:18" (1/3) ... [2025-02-06 19:28:19,381 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba2c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:28:19, skipping insertion in model container [2025-02-06 19:28:19,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:28:19,381 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:28:19" (2/3) ... [2025-02-06 19:28:19,381 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba2c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:28:19, skipping insertion in model container [2025-02-06 19:28:19,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:28:19,381 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:28:19" (3/3) ... [2025-02-06 19:28:19,382 INFO L363 chiAutomizerObserver]: Analyzing ICFG test_add-2.i [2025-02-06 19:28:19,410 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:28:19,410 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:28:19,411 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:28:19,411 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:28:19,411 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:28:19,411 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:28:19,411 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:28:19,411 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:28:19,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2025-02-06 19:28:19,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:28:19,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:28:19,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:28:19,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:28:19,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:28:19,427 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:28:19,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2025-02-06 19:28:19,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:28:19,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:28:19,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:28:19,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:28:19,428 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:28:19,433 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(8, 3);~#s1~0.base, ~#s1~0.offset := 3, 0;call write~init~$Pointer$#1(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$#1(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet32#1, foo_#t~ret33#1, foo_~j~0#1;havoc foo_#t~nondet32#1;foo_~j~0#1 := foo_#t~nondet32#1;havoc foo_#t~nondet32#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem28#1, ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset, ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$#1(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;havoc ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;" [2025-02-06 19:28:19,433 INFO L754 eck$LassoCheckResult]: Loop: "assume ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset;call ldv_is_in_set_#t~mem28#1 := read~int#1(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4);" "assume !(ldv_is_in_set_#t~mem28#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem28#1;call ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset := read~$Pointer$#1(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset;havoc ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset;ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4;havoc ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset;havoc ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset;" [2025-02-06 19:28:19,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:19,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2144, now seen corresponding path program 1 times [2025-02-06 19:28:19,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:19,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283898072] [2025-02-06 19:28:19,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:19,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:19,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:19,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:19,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:19,513 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:28:19,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:19,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:19,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:19,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:19,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:28:19,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times [2025-02-06 19:28:19,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:19,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175748528] [2025-02-06 19:28:19,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:19,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:19,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:19,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:19,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:19,560 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:28:19,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:19,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:19,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:19,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:19,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:28:19,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2061503, now seen corresponding path program 1 times [2025-02-06 19:28:19,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:19,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77179508] [2025-02-06 19:28:19,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:19,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:19,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:28:19,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:28:19,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:19,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:28:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:28:19,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:28:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77179508] [2025-02-06 19:28:19,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77179508] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:28:19,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:28:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:28:19,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680008855] [2025-02-06 19:28:19,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:28:19,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:28:19,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 19:28:19,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 19:28:19,956 INFO L87 Difference]: Start difference. First operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-02-06 19:28:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:28:20,043 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2025-02-06 19:28:20,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 30 transitions. [2025-02-06 19:28:20,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:28:20,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 13 states and 13 transitions. [2025-02-06 19:28:20,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-02-06 19:28:20,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2025-02-06 19:28:20,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 13 transitions. [2025-02-06 19:28:20,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:28:20,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-02-06 19:28:20,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 13 transitions. [2025-02-06 19:28:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-06 19:28:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0) internal successors, (13), 12 states have internal predecessors, (13), 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) [2025-02-06 19:28:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2025-02-06 19:28:20,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-02-06 19:28:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 19:28:20,073 INFO L432 stractBuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-02-06 19:28:20,073 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:28:20,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 13 transitions. [2025-02-06 19:28:20,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:28:20,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:28:20,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:28:20,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:28:20,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:28:20,074 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(8, 3);~#s1~0.base, ~#s1~0.offset := 3, 0;call write~init~$Pointer$#1(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$#1(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet32#1, foo_#t~ret33#1, foo_~j~0#1;havoc foo_#t~nondet32#1;foo_~j~0#1 := foo_#t~nondet32#1;havoc foo_#t~nondet32#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem28#1, ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset, ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$#1(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;havoc ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;" "assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);ldv_is_in_set_#res#1 := 0;" "ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem28#1, ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset, ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;havoc ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;assume { :end_inline_ldv_is_in_set } true;" "assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1 % 4294967296);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;" "ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;havoc ldv_successful_malloc_#in~size#1;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~int#1(ldv_set_add_~new#1, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$#1(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$#1(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$#1(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$#1(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$#1(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4);" "havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;havoc __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;" "havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;havoc ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;assume { :end_inline_ldv_list_add } true;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;" "havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :end_inline_ldv_set_add } true;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem28#1, ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset, ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$#1(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;havoc ldv_is_in_set_#t~ret27#1.base, ldv_is_in_set_#t~ret27#1.offset;" [2025-02-06 19:28:20,074 INFO L754 eck$LassoCheckResult]: Loop: "assume ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset;call ldv_is_in_set_#t~mem28#1 := read~int#1(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4);" "assume !(ldv_is_in_set_#t~mem28#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem28#1;call ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset := read~$Pointer$#1(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset;havoc ldv_is_in_set_#t~mem29#1.base, ldv_is_in_set_#t~mem29#1.offset;ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4;havoc ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset;havoc ldv_is_in_set_#t~ret30#1.base, ldv_is_in_set_#t~ret30#1.offset;" [2025-02-06 19:28:20,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:20,075 INFO L85 PathProgramCache]: Analyzing trace with hash -62705513, now seen corresponding path program 1 times [2025-02-06 19:28:20,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:20,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092964726] [2025-02-06 19:28:20,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:20,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:28:20,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:28:20,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:20,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:20,167 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:28:20,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:28:20,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:28:20,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:20,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:20,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:28:20,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:20,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 1 times [2025-02-06 19:28:20,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:20,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919353411] [2025-02-06 19:28:20,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:20,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:20,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:20,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:20,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:20,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:20,225 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:28:20,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:28:20,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:28:20,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:20,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:28:20,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:28:20,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:28:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash -130455338, now seen corresponding path program 1 times [2025-02-06 19:28:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:28:20,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038141268] [2025-02-06 19:28:20,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:28:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:28:20,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:28:20,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:28:20,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:28:20,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:28:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:28:21,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:28:21,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038141268] [2025-02-06 19:28:21,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038141268] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:28:21,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:28:21,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 19:28:21,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305169481] [2025-02-06 19:28:21,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:28:21,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:28:21,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 19:28:21,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-02-06 19:28:21,255 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. cyclomatic complexity: 1 Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2025-02-06 19:28:21,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:28:21,453 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2025-02-06 19:28:21,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 12 transitions. [2025-02-06 19:28:21,453 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:28:21,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2025-02-06 19:28:21,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:28:21,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:28:21,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:28:21,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:28:21,453 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:28:21,453 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:28:21,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 19:28:21,454 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:28:21,454 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:28:21,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:28:21,454 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:28:21,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:28:21,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:28:21 BoogieIcfgContainer [2025-02-06 19:28:21,464 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:28:21,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:28:21,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:28:21,464 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:28:21,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:28:19" (3/4) ... [2025-02-06 19:28:21,467 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:28:21,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:28:21,469 INFO L158 Benchmark]: Toolchain (without parser) took 2762.60ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 66.8MB in the end (delta: 45.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2025-02-06 19:28:21,470 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:28:21,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.05ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 93.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:28:21,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.07ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:28:21,470 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:28:21,471 INFO L158 Benchmark]: IcfgBuilder took 291.78ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 71.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:28:21,471 INFO L158 Benchmark]: BuchiAutomizer took 2088.63ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 66.8MB in the end (delta: 4.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2025-02-06 19:28:21,471 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:28:21,472 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 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.05ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 93.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.07ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 291.78ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 71.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2088.63ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 66.8MB in the end (delta: 4.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 24.1kB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 22 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 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! [2025-02-06 19:28:21,486 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