./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/n.c40.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:02:36,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:02:36,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:02:36,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:02:36,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:02:36,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:02:36,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:02:36,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:02:36,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:02:36,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:02:36,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:02:36,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:02:36,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:02:36,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:02:36,390 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:02:36,390 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:02:36,390 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:02:36,390 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:02:36,390 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:02:36,391 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:02:36,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:02:36,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:02:36,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:02:36,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:02:36,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:02:36,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:02:36,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:02:36,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:02:36,396 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:02:36,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:02:36,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:02:36,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:02:36,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:02:36,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:02:36,397 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:02:36,397 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 [2024-11-10 23:02:36,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:02:36,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:02:36,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:02:36,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:02:36,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:02:36,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c40.c [2024-11-10 23:02:37,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:02:37,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:02:37,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2024-11-10 23:02:37,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b55139af/9d7b00aee32743fab2ba5529ebb21db7/FLAGc6318984f [2024-11-10 23:02:37,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b55139af/9d7b00aee32743fab2ba5529ebb21db7 [2024-11-10 23:02:37,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:02:37,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:02:37,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:37,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:02:37,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:02:37,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:37" (1/1) ... [2024-11-10 23:02:37,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b772eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:37, skipping insertion in model container [2024-11-10 23:02:37,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:37" (1/1) ... [2024-11-10 23:02:37,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:02:38,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:38,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:02:38,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:38,178 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:02:38,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38 WrapperNode [2024-11-10 23:02:38,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:38,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:38,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:02:38,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:02:38,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,241 INFO L138 Inliner]: procedures = 12, calls = 223, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2024-11-10 23:02:38,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:38,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:02:38,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:02:38,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:02:38,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,296 INFO L175 MemorySlicer]: Split 215 memory accesses to 4 slices as follows [2, 8, 102, 103]. 48 percent of accesses are in the largest equivalence class. The 210 initializations are split as follows [2, 8, 100, 100]. The 2 writes are split as follows [0, 0, 0, 2]. [2024-11-10 23:02:38,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,308 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:02:38,320 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:02:38,320 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:02:38,320 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:02:38,321 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (1/1) ... [2024-11-10 23:02:38,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:38,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:38,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:38,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:02:38,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 23:02:38,457 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:02:38,458 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:02:38,661 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-10 23:02:38,661 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:02:38,670 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:02:38,670 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:02:38,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:38 BoogieIcfgContainer [2024-11-10 23:02:38,671 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:02:38,673 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:02:38,674 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:02:38,677 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:02:38,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:38,678 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:02:37" (1/3) ... [2024-11-10 23:02:38,679 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48733c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:38, skipping insertion in model container [2024-11-10 23:02:38,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:38,679 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:38" (2/3) ... [2024-11-10 23:02:38,680 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48733c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:38, skipping insertion in model container [2024-11-10 23:02:38,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:38,681 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:38" (3/3) ... [2024-11-10 23:02:38,682 INFO L332 chiAutomizerObserver]: Analyzing ICFG n.c40.c [2024-11-10 23:02:38,723 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:02:38,723 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:02:38,724 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:02:38,724 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:02:38,724 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:02:38,724 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:02:38,724 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:02:38,724 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:02:38,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:38,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 23:02:38,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:38,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:38,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:38,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:38,742 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:02:38,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:38,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 23:02:38,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:38,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:38,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:38,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:38,751 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(110, 2, 0, 1);call write~init~int#1(46, 2, 1, 1);call write~init~int#1(99, 2, 2, 1);call write~init~int#1(52, 2, 3, 1);call write~init~int#1(48, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(100, 4);~#x~0.base, ~#x~0.offset := 4, 0;call write~init~int#2(0, ~#x~0.base, ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 1 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 2 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 3 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 4 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 5 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 6 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 7 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 8 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 9 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 10 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 11 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 12 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 13 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 14 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 15 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 16 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 17 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 18 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 19 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 20 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 21 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 22 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 23 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 24 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 25 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 26 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 27 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 28 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 29 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 30 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 31 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 32 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 33 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 34 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 35 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 36 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 37 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 38 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 39 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 40 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 41 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 42 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 43 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 44 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 45 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 46 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 47 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 48 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 49 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 50 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 51 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 52 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 53 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 54 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 55 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 56 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 57 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 58 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 59 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 60 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 61 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 62 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 63 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 64 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 65 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 66 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 67 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 68 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 69 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 70 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 71 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 72 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 73 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 74 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 75 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 76 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 77 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 78 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 79 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 80 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 81 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 82 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 83 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 84 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 85 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 86 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 87 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 88 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 89 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 90 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 91 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 92 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 93 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 94 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 95 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 96 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 97 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 98 + ~#x~0.offset, 1);call write~init~int#2(0, ~#x~0.base, 99 + ~#x~0.offset, 1);call #Ultimate.allocInit(100, 5);~#y~0.base, ~#y~0.offset := 5, 0;call write~init~int#3(0, ~#y~0.base, ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 1 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 2 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 3 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 4 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 5 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 6 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 7 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 8 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 9 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 10 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 11 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 12 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 13 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 14 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 15 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 16 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 17 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 18 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 19 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 20 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 21 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 22 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 23 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 24 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 25 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 26 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 27 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 28 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 29 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 30 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 31 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 32 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 33 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 34 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 35 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 36 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 37 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 38 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 39 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 40 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 41 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 42 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 43 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 44 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 45 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 46 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 47 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 48 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 49 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 50 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 51 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 52 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 53 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 54 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 55 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 56 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 57 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 58 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 59 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 60 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 61 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 62 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 63 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 64 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 65 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 66 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 67 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 68 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 69 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 70 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 71 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 72 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 73 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 74 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 75 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 76 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 77 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 78 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 79 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 80 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 81 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 82 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 83 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 84 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 85 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 86 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 87 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 88 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 89 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 90 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 91 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 92 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 93 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 94 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 95 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 96 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 97 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 98 + ~#y~0.offset, 1);call write~init~int#3(0, ~#y~0.base, 99 + ~#y~0.offset, 1);~i~0 := 0;~j~0 := 0;~k~0 := 0; 8#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1;havoc main_#t~nondet4#1;~k~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~i~0 := 0; 6#L14true [2024-11-10 23:02:38,755 INFO L747 eck$LassoCheckResult]: Loop: 6#L14true assume true;call main_#t~mem5#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1); 13#L14-1true assume !!(0 != main_#t~mem5#1);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int#3(main_#t~mem6#1, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem6#1;main_#t~post7#1 := ~i~0;~i~0 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 6#L14true [2024-11-10 23:02:38,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-10 23:02:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:38,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225276819] [2024-11-10 23:02:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:38,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:38,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:39,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:39,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:39,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1408, now seen corresponding path program 1 times [2024-11-10 23:02:39,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:39,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604151557] [2024-11-10 23:02:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:39,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:39,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:39,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:39,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1445791, now seen corresponding path program 1 times [2024-11-10 23:02:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:39,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164497048] [2024-11-10 23:02:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:39,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164497048] [2024-11-10 23:02:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164497048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:02:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:02:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418359398] [2024-11-10 23:02:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:39,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:02:39,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:02:39,468 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 5 states, 4 states have (on average 1.0) internal successors, (4), 4 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) [2024-11-10 23:02:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:39,514 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2024-11-10 23:02:39,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 9 transitions. [2024-11-10 23:02:39,516 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:02:39,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2024-11-10 23:02:39,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 23:02:39,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 23:02:39,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 23:02:39,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:02:39,520 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:39,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:02:39,524 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:39,525 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:02:39,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 23:02:39,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:02:39,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 23:02:39,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:02:39 BoogieIcfgContainer [2024-11-10 23:02:39,532 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:02:39,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:02:39,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:02:39,533 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:02:39,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:38" (3/4) ... [2024-11-10 23:02:39,537 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 23:02:39,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:02:39,539 INFO L158 Benchmark]: Toolchain (without parser) took 1582.72ms. Allocated memory is still 174.1MB. Free memory was 106.4MB in the beginning and 119.9MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:02:39,539 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:02:39,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.94ms. Allocated memory is still 174.1MB. Free memory was 106.2MB in the beginning and 91.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 23:02:39,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 174.1MB. Free memory was 91.9MB in the beginning and 145.8MB in the end (delta: -53.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-10 23:02:39,540 INFO L158 Benchmark]: Boogie Preprocessor took 73.55ms. Allocated memory is still 174.1MB. Free memory was 145.8MB in the beginning and 142.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:02:39,540 INFO L158 Benchmark]: IcfgBuilder took 352.54ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 120.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:02:39,541 INFO L158 Benchmark]: BuchiAutomizer took 858.92ms. Allocated memory is still 174.1MB. Free memory was 120.2MB in the beginning and 119.9MB in the end (delta: 312.9kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-10 23:02:39,541 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 174.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:02:39,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.94ms. Allocated memory is still 174.1MB. Free memory was 106.2MB in the beginning and 91.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 174.1MB. Free memory was 91.9MB in the beginning and 145.8MB in the end (delta: -53.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.55ms. Allocated memory is still 174.1MB. Free memory was 145.8MB in the beginning and 142.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 352.54ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 120.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 858.92ms. Allocated memory is still 174.1MB. Free memory was 120.2MB in the beginning and 119.9MB in the end (delta: 312.9kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 174.1MB. Free memory is still 119.9MB. 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 23:02:39,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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