./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/water_pid.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/water_pid.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 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:45:46,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:45:46,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:45:46,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:45:46,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:45:46,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:45:46,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:45:46,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:45:46,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:45:46,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:45:46,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:45:46,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:45:46,872 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:45:46,873 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:45:46,873 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:45:46,873 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:45:46,873 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:45:46,874 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:45:46,874 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:45:46,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:45:46,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:45:46,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:45:46,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:45:46,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:45:46,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:45:46,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:45:46,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:45:46,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:45:46,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:45:46,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:45:46,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:45:46,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:45:46,881 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:45:46,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:45:46,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:45:46,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:45:46,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:45:46,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:45:46,882 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:45:46,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 [2024-11-09 15:45:47,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:45:47,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:45:47,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:45:47,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:45:47,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:45:47,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/water_pid.c [2024-11-09 15:45:48,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:45:48,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:45:48,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/water_pid.c [2024-11-09 15:45:48,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9232d9f7c/5eee0b5fa7d9475cadd9d5bf56f68b0c/FLAG3b84a996d [2024-11-09 15:45:49,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9232d9f7c/5eee0b5fa7d9475cadd9d5bf56f68b0c [2024-11-09 15:45:49,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:45:49,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:45:49,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:45:49,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:45:49,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:45:49,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d3cc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49, skipping insertion in model container [2024-11-09 15:45:49,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:45:49,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:45:49,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:45:49,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:45:49,459 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:45:49,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49 WrapperNode [2024-11-09 15:45:49,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:45:49,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:45:49,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:45:49,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:45:49,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,487 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2024-11-09 15:45:49,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:45:49,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:45:49,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:45:49,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:45:49,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,511 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]. [2024-11-09 15:45:49,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:45:49,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:45:49,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:45:49,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:45:49,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (1/1) ... [2024-11-09 15:45:49,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:49,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:45:49,554 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) [2024-11-09 15:45:49,557 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 [2024-11-09 15:45:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:45:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:45:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:45:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:45:49,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:45:49,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:45:49,746 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 15:45:49,746 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:45:49,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:45:49,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:45:49,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:45:49 BoogieIcfgContainer [2024-11-09 15:45:49,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:45:49,760 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:45:49,760 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:45:49,763 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:45:49,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:45:49,764 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:45:49" (1/3) ... [2024-11-09 15:45:49,765 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a6eb483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:45:49, skipping insertion in model container [2024-11-09 15:45:49,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:45:49,765 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:45:49" (2/3) ... [2024-11-09 15:45:49,765 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a6eb483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:45:49, skipping insertion in model container [2024-11-09 15:45:49,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:45:49,765 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:45:49" (3/3) ... [2024-11-09 15:45:49,766 INFO L332 chiAutomizerObserver]: Analyzing ICFG water_pid.c [2024-11-09 15:45:49,814 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:45:49,814 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:45:49,815 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:45:49,815 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:45:49,815 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:45:49,815 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:45:49,815 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:45:49,815 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:45:49,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:45:49,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-09 15:45:49,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:45:49,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:45:49,839 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:45:49,839 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:45:49,839 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:45:49,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:45:49,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-09 15:45:49,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:45:49,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:45:49,843 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:45:49,843 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:45:49,850 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3);~yn~0 := ~convertINTToDOUBLE(0);~ui~0 := ~convertINTToDOUBLE(0); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_#t~ret5#1, main_#t~post6#1, main_~yi~0#1, main_~yc~0#1, main_~K~0#1, main_~T~0#1, main_~taui~0#1, main_~taud~0#1, main_~ei~0#1, main_~sumej~0#1, main_~epi~0#1, main_~i~0#1;havoc main_~yi~0#1;havoc main_~yc~0#1;havoc main_~K~0#1;havoc main_~T~0#1;havoc main_~taui~0#1;havoc main_~taud~0#1;havoc main_~ei~0#1;havoc main_~sumej~0#1;havoc main_~epi~0#1;havoc main_~i~0#1;main_~T~0#1 := ~convertINTToDOUBLE(1);main_~taui~0#1 := ~convertINTToDOUBLE(1);main_~taud~0#1 := ~convertINTToDOUBLE(1);main_~K~0#1 := 0.5;main_~yc~0#1 := 0.5;assume { :begin_inline_y } true;y_#in~i#1 := 0;havoc y_#res#1;havoc y_~i#1;y_~i#1 := y_#in~i#1;~yn~0 := ~someBinaryArithmeticDOUBLEoperation(~yn~0, ~ui~0);y_#res#1 := ~yn~0; 11#y_returnLabel#1true main_#t~ret4#1 := y_#res#1;havoc y_~i#1;havoc y_#in~i#1;assume { :end_inline_y } true;main_~yi~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;main_~epi~0#1 := ~someBinaryArithmeticDOUBLEoperation(main_~yc~0#1, main_~yi~0#1);main_~sumej~0#1 := main_~epi~0#1;main_~i~0#1 := 0; 3#L39-3true [2024-11-09 15:45:49,851 INFO L747 eck$LassoCheckResult]: Loop: 3#L39-3true assume !!(main_~i~0#1 < 120);assume { :begin_inline_y } true;y_#in~i#1 := main_~i~0#1;havoc y_#res#1;havoc y_~i#1;y_~i#1 := y_#in~i#1;~yn~0 := ~someBinaryArithmeticDOUBLEoperation(~yn~0, ~ui~0);y_#res#1 := ~yn~0; 9#y_returnLabel#2true main_#t~ret5#1 := y_#res#1;havoc y_~i#1;havoc y_#in~i#1;assume { :end_inline_y } true;main_~yi~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;main_~ei~0#1 := ~someBinaryArithmeticDOUBLEoperation(main_~yc~0#1, main_~yi~0#1);main_~sumej~0#1 := ~someBinaryArithmeticDOUBLEoperation(main_~sumej~0#1, main_~ei~0#1);~ui~0 := ~someBinaryArithmeticDOUBLEoperation(main_~K~0#1, ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(main_~ei~0#1, ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(main_~sumej~0#1, main_~T~0#1), main_~taui~0#1)), ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(main_~taud~0#1, main_~T~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~ei~0#1, main_~epi~0#1))));main_~epi~0#1 := main_~ei~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~epi~0#1, ~someUnaryDOUBLEoperation(1.0)) && ~someBinaryDOUBLEComparisonOperation(main_~epi~0#1, 1.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#L8true assume !(0 == __VERIFIER_assert_~cond#1); 7#L8-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 8#L39-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3#L39-3true [2024-11-09 15:45:49,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:45:49,857 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2024-11-09 15:45:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:45:49,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270317360] [2024-11-09 15:45:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:45:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:45:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:49,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:45:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:50,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:45:50,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:45:50,013 INFO L85 PathProgramCache]: Analyzing trace with hash 40151414, now seen corresponding path program 1 times [2024-11-09 15:45:50,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:45:50,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116346633] [2024-11-09 15:45:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:45:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:45:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:50,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:45:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:50,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:45:50,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:45:50,057 INFO L85 PathProgramCache]: Analyzing trace with hash 93591766, now seen corresponding path program 1 times [2024-11-09 15:45:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:45:50,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038728617] [2024-11-09 15:45:50,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:45:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:45:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:50,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:45:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:45:50,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:45:50,249 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:45:50,249 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:45:50,250 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:45:50,250 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:45:50,250 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:45:50,250 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,251 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:45:50,251 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:45:50,251 INFO L132 ssoRankerPreferences]: Filename of dumped script: water_pid.c_Iteration1_Loop [2024-11-09 15:45:50,251 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:45:50,251 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:45:50,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,383 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:45:50,384 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:45:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:45:50,389 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) [2024-11-09 15:45:50,391 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 [2024-11-09 15:45:50,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:45:50,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:45:50,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-09 15:45:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:45:50,430 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) [2024-11-09 15:45:50,431 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 [2024-11-09 15:45:50,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:45:50,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:45:50,470 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:45:50,475 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 [2024-11-09 15:45:50,475 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:45:50,475 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:45:50,475 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:45:50,475 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:45:50,475 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:45:50,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:45:50,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:45:50,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: water_pid.c_Iteration1_Loop [2024-11-09 15:45:50,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:45:50,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:45:50,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:45:50,576 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:45:50,581 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:45:50,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:45:50,585 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) [2024-11-09 15:45:50,586 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 [2024-11-09 15:45:50,588 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 [2024-11-09 15:45:50,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:45:50,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:45:50,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:45:50,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:45:50,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:45:50,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:45:50,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:45:50,613 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:45:50,619 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:45:50,620 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:45:50,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:45:50,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:45:50,659 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) [2024-11-09 15:45:50,661 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 [2024-11-09 15:45:50,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:45:50,664 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:45:50,664 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:45:50,665 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 239 Supporting invariants [] [2024-11-09 15:45:50,681 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 [2024-11-09 15:45:50,685 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:45:50,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:45:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:45:50,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:45:50,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:45:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:45:50,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:45:50,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:45:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:45:50,886 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 [2024-11-09 15:45:50,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-11-09 15:45:50,953 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 [2024-11-09 15:45:50,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 30 states and 37 transitions. Complement of second has 6 states. [2024-11-09 15:45:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:45:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-11-09 15:45:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-09 15:45:51,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 5 letters. [2024-11-09 15:45:51,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:45:51,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 5 letters. [2024-11-09 15:45:51,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:45:51,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 10 letters. [2024-11-09 15:45:51,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:45:51,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2024-11-09 15:45:51,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:45:51,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-09 15:45:51,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:45:51,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:45:51,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:45:51,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:45:51,025 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:45:51,025 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:45:51,026 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:45:51,026 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:45:51,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:45:51,026 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:45:51,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:45:51,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:45:51 BoogieIcfgContainer [2024-11-09 15:45:51,036 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:45:51,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:45:51,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:45:51,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:45:51,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:45:49" (3/4) ... [2024-11-09 15:45:51,042 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:45:51,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:45:51,046 INFO L158 Benchmark]: Toolchain (without parser) took 1839.06ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 120.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:45:51,046 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:45:51,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 109.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:45:51,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.56ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:45:51,049 INFO L158 Benchmark]: Boogie Preprocessor took 33.98ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:45:51,050 INFO L158 Benchmark]: RCFGBuilder took 236.41ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:45:51,051 INFO L158 Benchmark]: BuchiAutomizer took 1276.13ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 120.0MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:45:51,051 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 155.2MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:45:51,053 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 121.6MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 109.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.56ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.98ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.41ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1276.13ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 120.0MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 155.2MB. Free memory is still 120.0MB. 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 (((long long) -2 * i) + 239) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 7 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: 82ms VariablesStem: 0 VariablesLoop: 2 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! [2024-11-09 15:45:51,089 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