./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex02-2.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/trex02-2.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 813a8ddd546bc7f5130f32994d5f684af23ea3f2882f066aeb97d0e96f57ab55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:03:00,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:03:00,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:03:00,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:03:00,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:03:00,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:03:00,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:03:00,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:03:00,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:03:00,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:03:00,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:03:00,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:03:00,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:03:00,379 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:03:00,380 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:03:00,380 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:03:00,381 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:03:00,381 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:03:00,384 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:03:00,384 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:03:00,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:03:00,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:03:00,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:03:00,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:03:00,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:03:00,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:03:00,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:03:00,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:03:00,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:03:00,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:03:00,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:03:00,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:03:00,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:03:00,388 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:03:00,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:03:00,388 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:03:00,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:03:00,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:03:00,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:03:00,389 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:03:00,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 813a8ddd546bc7f5130f32994d5f684af23ea3f2882f066aeb97d0e96f57ab55 [2024-11-10 23:03:00,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:03:00,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:03:00,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:03:00,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:03:00,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:03:00,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c [2024-11-10 23:03:02,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:03:02,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:03:02,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c [2024-11-10 23:03:02,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19b1fad6/c6866758f0884812b54aa2749512c104/FLAG7ee3ace88 [2024-11-10 23:03:02,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19b1fad6/c6866758f0884812b54aa2749512c104 [2024-11-10 23:03:02,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:03:02,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:03:02,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:03:02,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:03:02,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:03:02,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d95fcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02, skipping insertion in model container [2024-11-10 23:03:02,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:03:02,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:03:02,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:03:02,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:03:02,646 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:03:02,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02 WrapperNode [2024-11-10 23:03:02,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:03:02,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:03:02,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:03:02,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:03:02,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,692 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 38 [2024-11-10 23:03:02,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:03:02,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:03:02,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:03:02,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:03:02,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,722 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:03:02,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:03:02,734 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:03:02,735 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:03:02,735 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:03:02,736 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (1/1) ... [2024-11-10 23:03:02,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:02,780 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 23:03:02,786 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 23:03:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:03:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:03:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:03:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:03:02,884 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:03:02,886 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:03:03,018 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-10 23:03:03,018 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:03:03,030 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:03:03,030 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:03:03,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:03 BoogieIcfgContainer [2024-11-10 23:03:03,030 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:03:03,031 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:03:03,031 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:03:03,035 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:03:03,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:03:03,036 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:03:02" (1/3) ... [2024-11-10 23:03:03,037 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd5432b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:03:03, skipping insertion in model container [2024-11-10 23:03:03,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:03:03,037 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:03:02" (2/3) ... [2024-11-10 23:03:03,037 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd5432b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:03:03, skipping insertion in model container [2024-11-10 23:03:03,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:03:03,037 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:03" (3/3) ... [2024-11-10 23:03:03,039 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex02-2.c [2024-11-10 23:03:03,092 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:03:03,092 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:03:03,093 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:03:03,093 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:03:03,093 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:03:03,093 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:03:03,093 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:03:03,093 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:03:03,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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 23:03:03,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:03:03,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:03,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:03,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:03:03,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-10 23:03:03,122 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:03:03,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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 23:03:03,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:03:03,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:03,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:03,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:03:03,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-10 23:03:03,133 INFO L745 eck$LassoCheckResult]: Stem: 4#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(11, 2);call #Ultimate.allocInit(12, 3);~x~0 := 0; 10#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_~c~0#1;havoc main_#t~nondet5#1;~x~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16#L23true [2024-11-10 23:03:03,135 INFO L747 eck$LassoCheckResult]: Loop: 16#L23true assume true; 12#L23-2true assume !!(~x~0 > 0);havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;main_~c~0#1 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1; 7#L25true assume !(0 != main_~c~0#1 % 256);assume { :begin_inline_foo } true;havoc foo_#t~post4#1;foo_#t~post4#1 := ~x~0;~x~0 := foo_#t~post4#1 - 1;havoc foo_#t~post4#1; 15#foo_returnLabel#2true assume true;havoc foo_#t~post4#1;assume { :end_inline_foo } true; 8#L23-1true havoc main_~c~0#1; 16#L23true [2024-11-10 23:03:03,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1600, now seen corresponding path program 1 times [2024-11-10 23:03:03,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:03,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221039525] [2024-11-10 23:03:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:03,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:03,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:03,303 INFO L85 PathProgramCache]: Analyzing trace with hash 44817545, now seen corresponding path program 1 times [2024-11-10 23:03:03,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:03,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244051848] [2024-11-10 23:03:03,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:03,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:03,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:03,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1421810262, now seen corresponding path program 1 times [2024-11-10 23:03:03,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:03,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556416221] [2024-11-10 23:03:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:03,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:03,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:03,522 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:03,523 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:03,523 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:03,523 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:03,523 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 23:03:03,523 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,524 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:03,524 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:03,524 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2024-11-10 23:03:03,524 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:03,524 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:03,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,614 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:03,614 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 23:03:03,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,619 INFO L229 MonitoredProcess]: Starting monitored process 2 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 23:03:03,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 23:03:03,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:03:03,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:03:03,650 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 23:03:03,651 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 23:03:03,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 23:03:03,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 23:03:03,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:03:03,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:03:03,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 23:03:03,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 23:03:03,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:03:03,739 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 23:03:03,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-10 23:03:03,744 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:03,744 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:03,744 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:03,744 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:03,744 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:03,744 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,744 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:03,745 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:03,745 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2024-11-10 23:03:03,745 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:03,745 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:03,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,795 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:03,799 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:03,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 23:03:03,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:03,831 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 23:03:03,831 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 23:03:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,857 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 23:03:03,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:03,859 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 23:03:03,860 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:03,860 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2024-11-10 23:03:03,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,875 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 23:03:03,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:03,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:03:03,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:03,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 23:03:03,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:04,011 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 23:03:04,049 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-10 23:03:04,051 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-10 23:03:04,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 43 transitions. Complement of second has 7 states. [2024-11-10 23:03:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:04,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-10 23:03:04,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-10 23:03:04,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-10 23:03:04,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-10 23:03:04,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2024-11-10 23:03:04,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:03:04,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2024-11-10 23:03:04,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 23:03:04,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 23:03:04,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 23:03:04,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:03:04,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:03:04,183 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:03:04,183 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:03:04,183 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:03:04,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 23:03:04,183 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:03:04,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 23:03:04,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:03:04 BoogieIcfgContainer [2024-11-10 23:03:04,190 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:03:04,191 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:03:04,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:03:04,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:03:04,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:03" (3/4) ... [2024-11-10 23:03:04,194 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 23:03:04,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:03:04,196 INFO L158 Benchmark]: Toolchain (without parser) took 1829.28ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.4MB in the beginning and 153.7MB in the end (delta: -91.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:03:04,197 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 94.7MB in the end (delta: 272.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:03:04,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.70ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.4MB in the beginning and 160.9MB in the end (delta: -98.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-10 23:03:04,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.84ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 161.2MB in the end (delta: -342.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:03:04,198 INFO L158 Benchmark]: Boogie Preprocessor took 39.95ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:03:04,199 INFO L158 Benchmark]: IcfgBuilder took 296.19ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 148.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 23:03:04,199 INFO L158 Benchmark]: BuchiAutomizer took 1159.14ms. Allocated memory is still 190.8MB. Free memory was 148.7MB in the beginning and 154.8MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:03:04,199 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 190.8MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:03:04,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 94.7MB in the end (delta: 272.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.70ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.4MB in the beginning and 160.9MB in the end (delta: -98.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.84ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 161.2MB in the end (delta: -342.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.95ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 296.19ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 148.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1159.14ms. Allocated memory is still 190.8MB. Free memory was 148.7MB in the beginning and 154.8MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 190.8MB. Free memory is still 153.7MB. 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 23:03:04,236 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