./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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/loop-lit/mine2017-ex4.6.i -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 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:34:40,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:34:40,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:34:40,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:34:40,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:34:40,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:34:40,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:34:40,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:34:40,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:34:40,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:34:40,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:34:40,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:34:40,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:34:40,240 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:34:40,242 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:34:40,242 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:34:40,243 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:34:40,243 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:34:40,243 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:34:40,243 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:34:40,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:34:40,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:34:40,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:34:40,246 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:34:40,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:34:40,246 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:34:40,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:34:40,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:34:40,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:34:40,246 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:34:40,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 [2024-11-17 08:34:40,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:34:40,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:34:40,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:34:40,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:34:40,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:34:40,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-17 08:34:41,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:34:41,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:34:41,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-17 08:34:41,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638c92dbf/5c8f345936ce4d9191098287eab9764b/FLAG49f1e0970 [2024-11-17 08:34:41,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638c92dbf/5c8f345936ce4d9191098287eab9764b [2024-11-17 08:34:41,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:34:41,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:34:41,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:41,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:34:41,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:34:41,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:41" (1/1) ... [2024-11-17 08:34:41,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed0dfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:41, skipping insertion in model container [2024-11-17 08:34:41,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:41" (1/1) ... [2024-11-17 08:34:41,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:34:42,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:42,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:34:42,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:42,164 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:34:42,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42 WrapperNode [2024-11-17 08:34:42,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:42,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:42,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:34:42,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:34:42,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,192 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 41 [2024-11-17 08:34:42,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:42,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:34:42,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:34:42,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:34:42,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,204 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,219 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]. [2024-11-17 08:34:42,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,226 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:34:42,233 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:34:42,233 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:34:42,233 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:34:42,241 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (1/1) ... [2024-11-17 08:34:42,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:42,276 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) [2024-11-17 08:34:42,278 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 [2024-11-17 08:34:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:34:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:34:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:34:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:34:42,373 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:34:42,375 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:34:42,482 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-17 08:34:42,486 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:34:42,502 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:34:42,503 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:34:42,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:42 BoogieIcfgContainer [2024-11-17 08:34:42,504 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:34:42,505 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:34:42,505 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:34:42,509 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:34:42,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:42,511 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:34:41" (1/3) ... [2024-11-17 08:34:42,512 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e6763ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:42, skipping insertion in model container [2024-11-17 08:34:42,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:42,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:42" (2/3) ... [2024-11-17 08:34:42,513 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e6763ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:42, skipping insertion in model container [2024-11-17 08:34:42,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:42,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:42" (3/3) ... [2024-11-17 08:34:42,514 INFO L332 chiAutomizerObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-11-17 08:34:42,574 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:34:42,574 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:34:42,574 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:34:42,574 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:34:42,575 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:34:42,575 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:34:42,575 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:34:42,575 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:34:42,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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) [2024-11-17 08:34:42,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-17 08:34:42,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:42,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:42,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:34:42,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-17 08:34:42,598 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:34:42,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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) [2024-11-17 08:34:42,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-17 08:34:42,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:42,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:42,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:34:42,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-17 08:34:42,606 INFO L745 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 19#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~x~0#1;main_~x~0#1 := 40; 2#L16true [2024-11-17 08:34:42,606 INFO L747 eck$LassoCheckResult]: Loop: 2#L16true assume true; 5#L16-1true assume !!(0 != main_~x~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 <= 40 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 21#L13-2true assume !(0 == __VERIFIER_assert_~cond#1); 10#__VERIFIER_assert_returnLabel#1true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post1#1 := main_~x~0#1;main_~x~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 >= 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L13-1true assume !(0 == __VERIFIER_assert_~cond#1); 13#__VERIFIER_assert_returnLabel#2true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 2#L16true [2024-11-17 08:34:42,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1952, now seen corresponding path program 1 times [2024-11-17 08:34:42,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:42,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585514168] [2024-11-17 08:34:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:42,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1714757012, now seen corresponding path program 1 times [2024-11-17 08:34:42,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:42,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238053108] [2024-11-17 08:34:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:42,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:42,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1932348941, now seen corresponding path program 1 times [2024-11-17 08:34:42,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293676049] [2024-11-17 08:34:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:42,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:42,956 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:42,957 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:42,957 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:42,957 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:42,957 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:42,957 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:42,958 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:42,958 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:42,958 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-17 08:34:42,958 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:42,958 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:42,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:42,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:42,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:42,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:43,025 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:43,025 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:43,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,030 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) [2024-11-17 08:34:43,032 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 [2024-11-17 08:34:43,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:43,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:43,053 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:43,054 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:43,066 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 [2024-11-17 08:34:43,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,069 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) [2024-11-17 08:34:43,070 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 [2024-11-17 08:34:43,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:43,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:43,088 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:43,088 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:43,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:34:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,103 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) [2024-11-17 08:34:43,104 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 [2024-11-17 08:34:43,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:43,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:43,130 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 [2024-11-17 08:34:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,133 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) [2024-11-17 08:34:43,145 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 [2024-11-17 08:34:43,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:43,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:43,193 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:43,198 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 [2024-11-17 08:34:43,199 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:43,199 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:43,199 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:43,201 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:43,201 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:43,201 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,201 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:43,201 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:43,202 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-17 08:34:43,202 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:43,202 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:43,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:43,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:43,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:43,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:43,270 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:43,274 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,279 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) [2024-11-17 08:34:43,280 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 [2024-11-17 08:34:43,281 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 [2024-11-17 08:34:43,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:43,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:43,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:43,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:43,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:43,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:43,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:43,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:43,310 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 [2024-11-17 08:34:43,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,312 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-17 08:34:43,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:34:43,314 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 [2024-11-17 08:34:43,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:43,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:43,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:43,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:43,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:43,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:43,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:43,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:43,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-17 08:34:43,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,344 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-17 08:34:43,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:34:43,353 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 [2024-11-17 08:34:43,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:43,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:43,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:43,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:43,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:43,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:43,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:43,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:43,371 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:43,371 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:34:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:43,374 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-17 08:34:43,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-17 08:34:43,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:43,376 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:43,376 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:43,377 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-17 08:34:43,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-17 08:34:43,397 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:43,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:43,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:43,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:43,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 08:34:43,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:43,531 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-17 08:34:43,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2024-11-17 08:34:43,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 54 states and 71 transitions. Complement of second has 8 states. [2024-11-17 08:34:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2024-11-17 08:34:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2024-11-17 08:34:43,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-17 08:34:43,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:43,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-17 08:34:43,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:43,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 2 letters. Loop has 12 letters. [2024-11-17 08:34:43,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:43,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 71 transitions. [2024-11-17 08:34:43,591 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:43,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2024-11-17 08:34:43,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:34:43,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:34:43,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:34:43,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:43,594 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:43,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:43,594 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:43,594 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:34:43,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:34:43,594 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:43,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:34:43,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:34:43 BoogieIcfgContainer [2024-11-17 08:34:43,600 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:34:43,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:34:43,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:34:43,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:34:43,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:42" (3/4) ... [2024-11-17 08:34:43,603 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:34:43,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:34:43,605 INFO L158 Benchmark]: Toolchain (without parser) took 1644.69ms. Allocated memory is still 190.8MB. Free memory was 122.9MB in the beginning and 112.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,605 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:43,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.67ms. Allocated memory is still 190.8MB. Free memory was 122.9MB in the beginning and 110.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.03ms. Allocated memory is still 190.8MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,607 INFO L158 Benchmark]: Boogie Preprocessor took 37.57ms. Allocated memory is still 190.8MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,607 INFO L158 Benchmark]: IcfgBuilder took 271.16ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 97.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,607 INFO L158 Benchmark]: BuchiAutomizer took 1095.17ms. Allocated memory is still 190.8MB. Free memory was 97.2MB in the beginning and 113.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:43,608 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 190.8MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:34:43,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.67ms. Allocated memory is still 190.8MB. Free memory was 122.9MB in the beginning and 110.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.03ms. Allocated memory is still 190.8MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.57ms. Allocated memory is still 190.8MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 271.16ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 97.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1095.17ms. Allocated memory is still 190.8MB. Free memory was 97.2MB in the beginning and 113.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 190.8MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:34:43,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:43,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE