./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_union_cast.c_1.i --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/ldv-regression/test_union_cast.c_1.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 ce4995349d24449aa4238d5b91c222d154caecb38e46c9add0a28b7c652c35ae --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:35:49,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:35:49,944 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:35:49,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:35:49,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:35:49,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:35:49,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:35:49,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:35:49,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:35:49,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:35:49,974 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:35:49,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:35:49,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:35:49,975 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:35:49,975 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:35:49,975 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:35:49,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:35:49,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:35:49,977 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:35:49,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:35:49,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:35:49,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:35:49,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:35:49,978 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:35:49,978 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 -> ce4995349d24449aa4238d5b91c222d154caecb38e46c9add0a28b7c652c35ae [2025-02-08 14:35:50,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:35:50,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:35:50,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:35:50,225 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:35:50,225 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:35:50,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union_cast.c_1.i [2025-02-08 14:35:51,448 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6ab0cc9e/8c1daaf938b84c148c4740370bc467cc/FLAG5831ca75c [2025-02-08 14:35:51,700 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:35:51,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union_cast.c_1.i [2025-02-08 14:35:51,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6ab0cc9e/8c1daaf938b84c148c4740370bc467cc/FLAG5831ca75c [2025-02-08 14:35:52,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6ab0cc9e/8c1daaf938b84c148c4740370bc467cc [2025-02-08 14:35:52,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:35:52,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:35:52,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:35:52,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:35:52,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:35:52,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a84b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52, skipping insertion in model container [2025-02-08 14:35:52,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:35:52,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:35:52,180 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:35:52,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:35:52,210 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:35:52,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52 WrapperNode [2025-02-08 14:35:52,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:35:52,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:35:52,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:35:52,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:35:52,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,242 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 28 [2025-02-08 14:35:52,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:35:52,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:35:52,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:35:52,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:35:52,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,269 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-02-08 14:35:52,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:35:52,276 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:35:52,276 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:35:52,276 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:35:52,277 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (1/1) ... [2025-02-08 14:35:52,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:52,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:52,306 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 14:35:52,312 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 14:35:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:35:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:35:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:35:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:35:52,412 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:35:52,413 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:35:52,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L33: call ULTIMATE.dealloc(main_~#var~0#1.base, main_~#var~0#1.offset);havoc main_~#var~0#1.base, main_~#var~0#1.offset; [2025-02-08 14:35:52,468 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-08 14:35:52,468 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:35:52,473 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:35:52,473 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:35:52,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:35:52 BoogieIcfgContainer [2025-02-08 14:35:52,473 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:35:52,474 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:35:52,474 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:35:52,477 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:35:52,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:52,478 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:35:52" (1/3) ... [2025-02-08 14:35:52,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fdb2f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:35:52, skipping insertion in model container [2025-02-08 14:35:52,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:52,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:52" (2/3) ... [2025-02-08 14:35:52,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fdb2f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:35:52, skipping insertion in model container [2025-02-08 14:35:52,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:52,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:35:52" (3/3) ... [2025-02-08 14:35:52,480 INFO L363 chiAutomizerObserver]: Analyzing ICFG test_union_cast.c_1.i [2025-02-08 14:35:52,519 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:35:52,520 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:35:52,520 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:35:52,520 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:35:52,520 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:35:52,520 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:35:52,520 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:35:52,520 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:35:52,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 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 14:35:52,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:52,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:52,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:52,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:35:52,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:52,539 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:35:52,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 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 14:35:52,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:52,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:52,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:52,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:35:52,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:52,545 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(22, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem4#1, main_~#var~0#1.base, main_~#var~0#1.offset;" [2025-02-08 14:35:52,545 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume false;" [2025-02-08 14:35:52,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2025-02-08 14:35:52,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:52,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432488925] [2025-02-08 14:35:52,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:52,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:52,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:52,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:52,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:52,621 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:52,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:52,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:52,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:52,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:52,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:52,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1247, now seen corresponding path program 1 times [2025-02-08 14:35:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:52,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336081534] [2025-02-08 14:35:52,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:52,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:52,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:52,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:52,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:52,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:52,679 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 14:35:52,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:35:52,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336081534] [2025-02-08 14:35:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336081534] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:35:52,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:35:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 14:35:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671847693] [2025-02-08 14:35:52,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:35:52,683 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-08 14:35:52,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:35:52,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:35:52,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:35:52,707 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 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 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 14:35:52,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:35:52,712 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2025-02-08 14:35:52,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 3 transitions. [2025-02-08 14:35:52,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:35:52,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2025-02-08 14:35:52,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:35:52,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:35:52,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:35:52,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:35:52,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:35:52,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:35:52,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:35:52,722 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:35:52,723 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:35:52,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:35:52,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:35:52,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:35:52,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:35:52 BoogieIcfgContainer [2025-02-08 14:35:52,729 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:35:52,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:35:52,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:35:52,730 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:35:52,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:35:52" (3/4) ... [2025-02-08 14:35:52,733 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:35:52,733 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:35:52,734 INFO L158 Benchmark]: Toolchain (without parser) took 702.30ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 71.5MB in the end (delta: 39.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 14:35:52,734 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:35:52,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.50ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:35:52,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.6MB in the end (delta: 999.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:35:52,736 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.7MB in the end (delta: 929.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:35:52,736 INFO L158 Benchmark]: IcfgBuilder took 197.25ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 86.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:35:52,736 INFO L158 Benchmark]: BuchiAutomizer took 255.50ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 71.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:35:52,736 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:35:52,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.50ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 98.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.6MB in the end (delta: 999.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.7MB in the end (delta: 929.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 197.25ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 86.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 255.50ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 71.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory is still 71.5MB. 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 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 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 14:35:52,753 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