./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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/float-benchs/filter2_reinit.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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:40:13,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:40:14,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:40:14,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:40:14,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:40:14,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:40:14,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:40:14,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:40:14,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:40:14,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:40:14,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:40:14,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:40:14,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:40:14,044 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:40:14,044 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:40:14,044 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:40:14,045 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:40:14,045 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:40:14,045 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:40:14,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:40:14,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:40:14,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:40:14,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:40:14,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:40:14,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:40:14,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:40:14,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:40:14,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:40:14,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:40:14,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:40:14,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:40:14,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:40:14,050 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:40:14,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:40:14,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:40:14,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:40:14,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:40:14,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:40:14,056 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:40:14,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2024-11-19 14:40:14,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:40:14,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:40:14,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:40:14,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:40:14,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:40:14,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2024-11-19 14:40:15,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:40:15,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:40:15,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2024-11-19 14:40:16,004 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39b8398d/b5aa73da5791476f9e4e440232f1f3be/FLAG97ed3ac5a [2024-11-19 14:40:16,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39b8398d/b5aa73da5791476f9e4e440232f1f3be [2024-11-19 14:40:16,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:40:16,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:40:16,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:40:16,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:40:16,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:40:16,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280a29e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16, skipping insertion in model container [2024-11-19 14:40:16,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:40:16,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:40:16,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:40:16,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:40:16,294 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:40:16,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16 WrapperNode [2024-11-19 14:40:16,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:40:16,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:40:16,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:40:16,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:40:16,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,348 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2024-11-19 14:40:16,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:40:16,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:40:16,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:40:16,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:40:16,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,391 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]. [2024-11-19 14:40:16,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:40:16,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:40:16,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:40:16,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:40:16,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (1/1) ... [2024-11-19 14:40:16,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:16,470 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) [2024-11-19 14:40:16,473 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 [2024-11-19 14:40:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:40:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:40:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:40:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:40:16,575 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:40:16,578 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:40:16,697 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-19 14:40:16,698 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:40:16,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:40:16,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:40:16,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:16 BoogieIcfgContainer [2024-11-19 14:40:16,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:40:16,710 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:40:16,710 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:40:16,716 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:40:16,717 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:16,717 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:40:16" (1/3) ... [2024-11-19 14:40:16,718 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47195c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:40:16, skipping insertion in model container [2024-11-19 14:40:16,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:16,718 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:16" (2/3) ... [2024-11-19 14:40:16,719 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47195c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:40:16, skipping insertion in model container [2024-11-19 14:40:16,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:40:16,719 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:16" (3/3) ... [2024-11-19 14:40:16,720 INFO L332 chiAutomizerObserver]: Analyzing ICFG filter2_reinit.c [2024-11-19 14:40:16,772 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:40:16,772 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:40:16,772 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:40:16,772 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:40:16,772 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:40:16,772 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:40:16,773 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:40:16,773 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:40:16,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-19 14:40:16,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-19 14:40:16,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:40:16,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:40:16,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:40:16,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:40:16,798 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:40:16,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-19 14:40:16,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-19 14:40:16,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:40:16,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:40:16,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:40:16,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:40:16,806 INFO L745 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true 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(17, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2#L16true assume !(0 == assume_abort_if_not_~cond#1); 6#L15true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 17#L16-2true assume !(0 == assume_abort_if_not_~cond#1); 19#L15-1true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 20#L34-3true [2024-11-19 14:40:16,807 INFO L747 eck$LassoCheckResult]: Loop: 20#L34-3true assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet6#1;main_~E~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 18#L16-4true assume 0 == assume_abort_if_not_~cond#1;assume false; 11#L15-2true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet7#1; 8#L42true assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 15#L42-2true main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 10#L34-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 20#L34-3true [2024-11-19 14:40:16,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:16,812 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2024-11-19 14:40:16,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:40:16,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233214269] [2024-11-19 14:40:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:40:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:40:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:16,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:40:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:16,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:40:16,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:16,942 INFO L85 PathProgramCache]: Analyzing trace with hash 478165746, now seen corresponding path program 1 times [2024-11-19 14:40:16,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:40:16,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684969212] [2024-11-19 14:40:16,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:40:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:40:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:40:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:40:16,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:40:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684969212] [2024-11-19 14:40:16,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684969212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:40:16,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:40:16,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:40:16,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977175301] [2024-11-19 14:40:16,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:40:16,994 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:40:16,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:40:17,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 14:40:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 14:40:17,026 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-19 14:40:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:40:17,036 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-19 14:40:17,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 20 transitions. [2024-11-19 14:40:17,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-19 14:40:17,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 15 transitions. [2024-11-19 14:40:17,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-19 14:40:17,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-19 14:40:17,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2024-11-19 14:40:17,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:40:17,045 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-19 14:40:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2024-11-19 14:40:17,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-19 14:40:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 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) [2024-11-19 14:40:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-19 14:40:17,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-19 14:40:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 14:40:17,078 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-19 14:40:17,079 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:40:17,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-11-19 14:40:17,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-19 14:40:17,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:40:17,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:40:17,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:40:17,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:40:17,083 INFO L745 eck$LassoCheckResult]: Stem: 59#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3); 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 47#L16 assume !(0 == assume_abort_if_not_~cond#1); 48#L15 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 49#L16-2 assume !(0 == assume_abort_if_not_~cond#1); 58#L15-1 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 54#L34-3 [2024-11-19 14:40:17,083 INFO L747 eck$LassoCheckResult]: Loop: 54#L34-3 assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet6#1;main_~E~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 60#L16-4 assume !(0 == assume_abort_if_not_~cond#1); 55#L15-2 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet7#1; 51#L42 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 52#L42-2 main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 56#L18 assume !(0 == __VERIFIER_assert_~cond#1); 57#L18-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 53#L34-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 54#L34-3 [2024-11-19 14:40:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 2 times [2024-11-19 14:40:17,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:40:17,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637559953] [2024-11-19 14:40:17,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:40:17,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:40:17,108 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:40:17,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:40:17,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:40:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:17,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:40:17,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2041794188, now seen corresponding path program 1 times [2024-11-19 14:40:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:40:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114027137] [2024-11-19 14:40:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:40:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:40:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:17,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:40:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:17,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:40:17,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:17,167 INFO L85 PathProgramCache]: Analyzing trace with hash 991602650, now seen corresponding path program 1 times [2024-11-19 14:40:17,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:40:17,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138907215] [2024-11-19 14:40:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:40:17,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:40:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:17,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:40:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:40:17,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:40:17,428 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:40:17,429 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:40:17,429 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:40:17,429 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:40:17,429 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:40:17,429 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,429 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:40:17,429 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:40:17,430 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2024-11-19 14:40:17,430 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:40:17,430 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:40:17,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,569 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:40:17,570 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:40:17,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:17,575 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) [2024-11-19 14:40:17,577 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 [2024-11-19 14:40:17,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:40:17,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:40:17,605 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 [2024-11-19 14:40:17,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:17,607 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) [2024-11-19 14:40:17,608 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 [2024-11-19 14:40:17,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:40:17,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:40:17,645 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:40:17,650 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 [2024-11-19 14:40:17,650 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:40:17,650 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:40:17,650 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:40:17,650 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:40:17,651 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:40:17,651 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,651 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:40:17,651 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:40:17,651 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2024-11-19 14:40:17,651 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:40:17,651 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:40:17,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:40:17,766 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:40:17,770 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:40:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:17,773 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) [2024-11-19 14:40:17,774 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 [2024-11-19 14:40:17,776 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 [2024-11-19 14:40:17,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:40:17,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:40:17,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:40:17,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:40:17,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:40:17,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:40:17,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:40:17,798 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:40:17,814 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 [2024-11-19 14:40:17,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:17,817 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) [2024-11-19 14:40:17,818 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 [2024-11-19 14:40:17,819 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 [2024-11-19 14:40:17,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:40:17,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:40:17,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:40:17,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:40:17,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:40:17,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:40:17,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:40:17,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:40:17,843 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:40:17,843 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:40:17,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:40:17,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:40:17,867 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) [2024-11-19 14:40:17,869 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 [2024-11-19 14:40:17,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:40:17,872 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:40:17,872 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:40:17,872 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2000001 Supporting invariants [] [2024-11-19 14:40:17,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-19 14:40:17,897 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:40:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:40:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:40:17,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:40:17,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:40:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:40:17,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:40:17,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:40:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:40:18,057 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-19 14:40:18,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 14:40:18,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 22 states and 25 transitions. Complement of second has 4 states. [2024-11-19 14:40:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:40:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 14:40:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-19 14:40:18,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-19 14:40:18,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:40:18,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 14 letters. Loop has 8 letters. [2024-11-19 14:40:18,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:40:18,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-19 14:40:18,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:40:18,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2024-11-19 14:40:18,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:40:18,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2024-11-19 14:40:18,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:40:18,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:40:18,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:40:18,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:40:18,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:40:18,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:40:18,098 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:40:18,099 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:40:18,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:40:18,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:40:18,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:40:18,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:40:18 BoogieIcfgContainer [2024-11-19 14:40:18,105 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:40:18,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:40:18,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:40:18,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:40:18,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:16" (3/4) ... [2024-11-19 14:40:18,108 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:40:18,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:40:18,109 INFO L158 Benchmark]: Toolchain (without parser) took 2081.74ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 48.5MB in the end (delta: 44.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,109 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:40:18,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.31ms. Allocated memory is still 161.5MB. Free memory was 92.8MB in the beginning and 80.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.17ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 135.2MB in the end (delta: -54.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,111 INFO L158 Benchmark]: Boogie Preprocessor took 79.30ms. Allocated memory is still 161.5MB. Free memory was 135.2MB in the beginning and 133.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,111 INFO L158 Benchmark]: RCFGBuilder took 276.35ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 121.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,111 INFO L158 Benchmark]: BuchiAutomizer took 1394.79ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 49.1MB in the end (delta: 72.8MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-19 14:40:18,112 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 161.5MB. Free memory was 49.1MB in the beginning and 48.5MB in the end (delta: 605.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:40:18,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.31ms. Allocated memory is still 161.5MB. Free memory was 92.8MB in the beginning and 80.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.17ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 135.2MB in the end (delta: -54.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.30ms. Allocated memory is still 161.5MB. Free memory was 135.2MB in the beginning and 133.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 276.35ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 121.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1394.79ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 49.1MB in the end (delta: 72.8MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 161.5MB. Free memory was 49.1MB in the beginning and 48.5MB in the end (delta: 605.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 2000001) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-11-19 14:40:18,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:40:18,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE