./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/UpAndDownIneq.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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/termination-restricted-15/UpAndDownIneq.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 7c4ca36c34c25cccb97ec2e65527d2a743b4e62b95f1f396c9f281ef44a01670 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:55:03,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:55:04,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:55:04,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:55:04,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:55:04,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:55:04,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:55:04,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:55:04,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:55:04,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:55:04,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:55:04,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:55:04,067 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:55:04,067 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:55:04,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:55:04,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:55:04,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:55:04,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:55:04,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:55:04,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:55:04,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:55:04,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:55:04,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:55:04,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:55:04,071 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:55:04,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:55:04,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:55:04,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:55:04,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:55:04,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:55:04,072 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:55:04,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c4ca36c34c25cccb97ec2e65527d2a743b4e62b95f1f396c9f281ef44a01670 [2024-11-12 20:55:04,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:55:04,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:55:04,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:55:04,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:55:04,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:55:04,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/UpAndDownIneq.c [2024-11-12 20:55:05,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:55:05,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:55:05,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/UpAndDownIneq.c [2024-11-12 20:55:05,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b8b1f280/f331d9ff03fa4c338cc25d7e463bcd9c/FLAG183f9433d [2024-11-12 20:55:05,972 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b8b1f280/f331d9ff03fa4c338cc25d7e463bcd9c [2024-11-12 20:55:05,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:55:05,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:55:05,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:05,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:55:05,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:55:05,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:05" (1/1) ... [2024-11-12 20:55:05,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78066b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:05, skipping insertion in model container [2024-11-12 20:55:05,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:05" (1/1) ... [2024-11-12 20:55:05,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:55:06,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:06,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:55:06,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:06,162 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:55:06,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06 WrapperNode [2024-11-12 20:55:06,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:06,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:06,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:55:06,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:55:06,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,203 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-12 20:55:06,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:06,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:55:06,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:55:06,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:55:06,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,220 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:55:06,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:55:06,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:55:06,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:55:06,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:55:06,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (1/1) ... [2024-11-12 20:55:06,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,266 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) [2024-11-12 20:55:06,268 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 [2024-11-12 20:55:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:55:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:55:06,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:55:06,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:55:06,431 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-12 20:55:06,431 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:55:06,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:55:06,439 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 20:55:06,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:06 BoogieIcfgContainer [2024-11-12 20:55:06,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:55:06,441 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:55:06,441 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:55:06,444 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:55:06,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:06,444 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:55:05" (1/3) ... [2024-11-12 20:55:06,445 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@687c9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:06, skipping insertion in model container [2024-11-12 20:55:06,445 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:06,445 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:06" (2/3) ... [2024-11-12 20:55:06,445 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@687c9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:06, skipping insertion in model container [2024-11-12 20:55:06,446 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:06,446 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:06" (3/3) ... [2024-11-12 20:55:06,447 INFO L332 chiAutomizerObserver]: Analyzing ICFG UpAndDownIneq.c [2024-11-12 20:55:06,488 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:55:06,488 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:55:06,488 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:55:06,488 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:55:06,488 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:55:06,489 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:55:06,489 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:55:06,489 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:55:06,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:06,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-12 20:55:06,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:06,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:06,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:55:06,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:06,507 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:55:06,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:06,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-12 20:55:06,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:06,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:06,508 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:55:06,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:06,513 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" [2024-11-12 20:55:06,513 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-12 20:55:06,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 20:55:06,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:06,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512735939] [2024-11-12 20:55:06,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,578 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:06,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:06,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1267244, now seen corresponding path program 1 times [2024-11-12 20:55:06,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:06,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855814383] [2024-11-12 20:55:06,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:06,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:06,629 INFO L85 PathProgramCache]: Analyzing trace with hash 889694446, now seen corresponding path program 1 times [2024-11-12 20:55:06,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:06,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370730882] [2024-11-12 20:55:06,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:06,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,636 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:06,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:06,705 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:06,706 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:06,706 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:06,706 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:06,706 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:06,706 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,706 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:06,706 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:06,706 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration1_Loop [2024-11-12 20:55:06,706 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:06,706 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:06,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:06,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:06,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:06,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:06,794 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:06,795 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:06,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,798 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) [2024-11-12 20:55:06,800 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 [2024-11-12 20:55:06,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:06,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:06,821 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:06,821 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=1} Honda state: {ULTIMATE.start_main_~up~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:06,833 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 [2024-11-12 20:55:06,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,836 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) [2024-11-12 20:55:06,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:06,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:06,841 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 [2024-11-12 20:55:06,858 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:06,858 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:06,870 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 [2024-11-12 20:55:06,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,876 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) [2024-11-12 20:55:06,881 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 [2024-11-12 20:55:06,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:06,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:06,901 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:06,901 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:06,912 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 [2024-11-12 20:55:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,915 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) [2024-11-12 20:55:06,916 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 [2024-11-12 20:55:06,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:06,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:06,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-12 20:55:06,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:06,963 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) [2024-11-12 20:55:06,966 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 [2024-11-12 20:55:06,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:06,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:06,980 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:06,991 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 [2024-11-12 20:55:06,991 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:06,991 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:06,991 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:06,991 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:06,991 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:06,991 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:06,992 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:06,992 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:06,992 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration1_Loop [2024-11-12 20:55:06,992 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:06,992 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:06,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:06,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,050 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:07,054 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:07,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:07,056 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) [2024-11-12 20:55:07,058 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 [2024-11-12 20:55:07,060 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 [2024-11-12 20:55:07,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:07,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:07,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:07,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:07,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:07,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:07,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:07,092 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 [2024-11-12 20:55:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:07,096 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) [2024-11-12 20:55:07,100 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 [2024-11-12 20:55:07,101 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 [2024-11-12 20:55:07,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:07,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:07,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:07,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:07,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:07,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:07,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:07,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:07,155 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) [2024-11-12 20:55:07,156 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 [2024-11-12 20:55:07,159 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 [2024-11-12 20:55:07,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:07,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:07,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:07,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:07,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:07,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:07,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:07,186 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:07,188 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:07,189 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:07,210 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-12 20:55:07,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-12 20:55:07,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:07,212 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:07,212 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:07,213 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-12 20:55:07,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 20:55:07,227 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:07,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:07,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:07,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:07,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:07,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:07,389 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 [2024-11-12 20:55:07,393 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-12 20:55:07,484 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 28 states and 45 transitions. Complement of second has 8 states. [2024-11-12 20:55:07,491 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 [2024-11-12 20:55:07,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-12 20:55:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-12 20:55:07,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-12 20:55:07,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:07,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-12 20:55:07,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:07,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-12 20:55:07,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:07,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 45 transitions. [2024-11-12 20:55:07,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-12 20:55:07,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 30 transitions. [2024-11-12 20:55:07,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-12 20:55:07,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-12 20:55:07,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 30 transitions. [2024-11-12 20:55:07,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:07,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 30 transitions. [2024-11-12 20:55:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 30 transitions. [2024-11-12 20:55:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-12 20:55:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 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) [2024-11-12 20:55:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2024-11-12 20:55:07,576 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2024-11-12 20:55:07,576 INFO L426 stractBuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2024-11-12 20:55:07,576 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:55:07,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2024-11-12 20:55:07,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-12 20:55:07,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:07,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:07,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:55:07,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:07,584 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" [2024-11-12 20:55:07,584 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" [2024-11-12 20:55:07,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:07,584 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-12 20:55:07,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:07,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388627713] [2024-11-12 20:55:07,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:07,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:07,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:07,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1422136, now seen corresponding path program 1 times [2024-11-12 20:55:07,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:07,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634105232] [2024-11-12 20:55:07,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:07,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:07,617 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:07,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:07,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1810725983, now seen corresponding path program 1 times [2024-11-12 20:55:07,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:07,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908981716] [2024-11-12 20:55:07,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:07,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-12 20:55:07,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:07,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908981716] [2024-11-12 20:55:07,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908981716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:07,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042446796] [2024-11-12 20:55:07,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:07,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:07,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:07,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 20:55:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:07,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:07,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:07,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:07,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042446796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:07,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:07,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 20:55:07,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568171152] [2024-11-12 20:55:07,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:07,942 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:07,942 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:07,942 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:07,942 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:07,942 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:07,942 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,942 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:07,942 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:07,943 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration2_Loop [2024-11-12 20:55:07,943 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:07,943 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:07,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:07,986 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:07,986 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,009 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-12 20:55:08,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-12 20:55:08,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,031 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:08,031 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:08,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-12 20:55:08,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,044 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2024-11-12 20:55:08,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-12 20:55:08,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,065 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:08,065 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:08,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:08,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,085 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2024-11-12 20:55:08,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 20:55:08,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-12 20:55:08,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,112 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-12 20:55:08,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-12 20:55:08,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:08,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,142 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:08,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-12 20:55:08,149 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:08,149 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:08,149 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:08,149 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:08,149 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:08,149 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,149 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:08,149 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:08,149 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration2_Loop [2024-11-12 20:55:08,149 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:08,149 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:08,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,192 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:08,192 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:08,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,194 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-11-12 20:55:08,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 20:55:08,247 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 [2024-11-12 20:55:08,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:08,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:08,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:08,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:08,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:08,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:08,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:08,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:08,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,304 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-11-12 20:55:08,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 20:55:08,318 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 [2024-11-12 20:55:08,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:08,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:08,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:08,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:08,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:08,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:08,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:08,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:08,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,388 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-11-12 20:55:08,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-12 20:55:08,394 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 [2024-11-12 20:55:08,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:08,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:08,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:08,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:08,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:08,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:08,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:08,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:08,430 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:08,430 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:08,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,439 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-11-12 20:55:08,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-12 20:55:08,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:08,453 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:08,453 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:08,453 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-11-12 20:55:08,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-12 20:55:08,474 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:08,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:08,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:08,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:08,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:08,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:08,567 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 [2024-11-12 20:55:08,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:08,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 73 transitions. Complement of second has 7 states. [2024-11-12 20:55:08,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-12 20:55:08,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-12 20:55:08,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:08,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-12 20:55:08,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:08,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-12 20:55:08,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:08,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 73 transitions. [2024-11-12 20:55:08,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-12 20:55:08,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 36 states and 59 transitions. [2024-11-12 20:55:08,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-12 20:55:08,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-12 20:55:08,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 59 transitions. [2024-11-12 20:55:08,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:08,596 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 59 transitions. [2024-11-12 20:55:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 59 transitions. [2024-11-12 20:55:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2024-11-12 20:55:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 27 states have internal predecessors, (46), 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) [2024-11-12 20:55:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 46 transitions. [2024-11-12 20:55:08,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 46 transitions. [2024-11-12 20:55:08,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:08,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:55:08,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:55:08,601 INFO L87 Difference]: Start difference. First operand 28 states and 46 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:08,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:08,618 INFO L93 Difference]: Finished difference Result 37 states and 56 transitions. [2024-11-12 20:55:08,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 56 transitions. [2024-11-12 20:55:08,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-12 20:55:08,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 32 states and 49 transitions. [2024-11-12 20:55:08,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-12 20:55:08,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-12 20:55:08,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 49 transitions. [2024-11-12 20:55:08,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:08,623 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 49 transitions. [2024-11-12 20:55:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 49 transitions. [2024-11-12 20:55:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2024-11-12 20:55:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 25 states have internal predecessors, (40), 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) [2024-11-12 20:55:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2024-11-12 20:55:08,625 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 40 transitions. [2024-11-12 20:55:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:55:08,626 INFO L426 stractBuchiCegarLoop]: Abstraction has 26 states and 40 transitions. [2024-11-12 20:55:08,626 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:55:08,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 40 transitions. [2024-11-12 20:55:08,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-12 20:55:08,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:08,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:08,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-12 20:55:08,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:08,627 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume !(main_~i~0#1 <= 0);" [2024-11-12 20:55:08,627 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" [2024-11-12 20:55:08,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash 28699760, now seen corresponding path program 1 times [2024-11-12 20:55:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492299459] [2024-11-12 20:55:08,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,632 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:08,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1768758, now seen corresponding path program 1 times [2024-11-12 20:55:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808716453] [2024-11-12 20:55:08,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:08,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:08,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 588716581, now seen corresponding path program 1 times [2024-11-12 20:55:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:08,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176715582] [2024-11-12 20:55:08,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,689 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:08,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:08,743 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:08,743 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:08,743 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:08,743 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:08,743 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:08,743 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,743 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:08,743 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:08,743 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration3_Loop [2024-11-12 20:55:08,743 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:08,743 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:08,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:08,793 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:08,793 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,795 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-11-12 20:55:08,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-12 20:55:08,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,815 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:08,815 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:08,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-12 20:55:08,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,827 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-11-12 20:55:08,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-12 20:55:08,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,847 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:08,848 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:08,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-12 20:55:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,864 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-11-12 20:55:08,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-12 20:55:08,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:08,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:08,897 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-11-12 20:55:08,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-12 20:55:08,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:08,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:08,982 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:08,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:08,987 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:08,988 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:08,988 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:08,988 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:08,988 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:08,989 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:08,989 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:08,989 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:08,989 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration3_Loop [2024-11-12 20:55:08,989 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:08,989 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:08,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,112 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:09,113 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,118 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-11-12 20:55:09,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-12 20:55:09,120 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 [2024-11-12 20:55:09,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:09,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:09,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:09,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:09,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:09,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:09,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:09,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:09,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,176 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-11-12 20:55:09,182 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 [2024-11-12 20:55:09,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-12 20:55:09,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:09,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:09,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:09,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:09,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:09,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:09,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:09,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:09,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-12 20:55:09,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,228 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-11-12 20:55:09,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-12 20:55:09,230 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 [2024-11-12 20:55:09,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:09,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:09,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:09,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:09,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:09,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:09,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:09,246 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:09,252 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:09,253 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:09,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,255 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-11-12 20:55:09,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-12 20:55:09,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:09,257 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:09,257 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:09,257 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-12 20:55:09,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:09,268 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:09,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:09,326 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 [2024-11-12 20:55:09,326 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 40 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-12 20:55:09,354 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 40 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 58 states and 90 transitions. Complement of second has 7 states. [2024-11-12 20:55:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-12 20:55:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-12 20:55:09,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-12 20:55:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:09,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-12 20:55:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:09,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-12 20:55:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:09,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 90 transitions. [2024-11-12 20:55:09,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-12 20:55:09,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 85 transitions. [2024-11-12 20:55:09,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-12 20:55:09,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-12 20:55:09,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 85 transitions. [2024-11-12 20:55:09,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:09,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 85 transitions. [2024-11-12 20:55:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 85 transitions. [2024-11-12 20:55:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-11-12 20:55:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 48 states have internal predecessors, (79), 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) [2024-11-12 20:55:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 79 transitions. [2024-11-12 20:55:09,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 79 transitions. [2024-11-12 20:55:09,362 INFO L426 stractBuchiCegarLoop]: Abstraction has 49 states and 79 transitions. [2024-11-12 20:55:09,362 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 20:55:09,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 79 transitions. [2024-11-12 20:55:09,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-12 20:55:09,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:09,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:09,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:55:09,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:09,363 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-12 20:55:09,363 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-12 20:55:09,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,364 INFO L85 PathProgramCache]: Analyzing trace with hash 889692526, now seen corresponding path program 1 times [2024-11-12 20:55:09,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096520814] [2024-11-12 20:55:09,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:09,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096520814] [2024-11-12 20:55:09,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096520814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:09,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741342684] [2024-11-12 20:55:09,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,390 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:09,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 20:55:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:09,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741342684] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:09,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 4 [2024-11-12 20:55:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872306895] [2024-11-12 20:55:09,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:09,421 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:09,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1267246, now seen corresponding path program 1 times [2024-11-12 20:55:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657884983] [2024-11-12 20:55:09,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:09,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657884983] [2024-11-12 20:55:09,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657884983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:09,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349705530] [2024-11-12 20:55:09,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,447 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:09,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 20:55:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:09,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349705530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:09,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:09,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-12 20:55:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512578516] [2024-11-12 20:55:09,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:09,485 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:09,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:55:09,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:55:09,486 INFO L87 Difference]: Start difference. First operand 49 states and 79 transitions. cyclomatic complexity: 36 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:09,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:09,493 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2024-11-12 20:55:09,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 69 transitions. [2024-11-12 20:55:09,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-12 20:55:09,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 60 transitions. [2024-11-12 20:55:09,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-12 20:55:09,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-12 20:55:09,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 60 transitions. [2024-11-12 20:55:09,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:09,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 60 transitions. [2024-11-12 20:55:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 60 transitions. [2024-11-12 20:55:09,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-12 20:55:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.475) internal successors, (59), 39 states have internal predecessors, (59), 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) [2024-11-12 20:55:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2024-11-12 20:55:09,500 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 59 transitions. [2024-11-12 20:55:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:55:09,501 INFO L426 stractBuchiCegarLoop]: Abstraction has 40 states and 59 transitions. [2024-11-12 20:55:09,501 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 20:55:09,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 59 transitions. [2024-11-12 20:55:09,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-12 20:55:09,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:09,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:09,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-12 20:55:09,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:09,502 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" [2024-11-12 20:55:09,502 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" [2024-11-12 20:55:09,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash 588716517, now seen corresponding path program 1 times [2024-11-12 20:55:09,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738403945] [2024-11-12 20:55:09,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:09,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738403945] [2024-11-12 20:55:09,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738403945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:09,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876501400] [2024-11-12 20:55:09,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:09,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,529 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:09,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 20:55:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:09,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876501400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:09,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:09,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2, 2] total 6 [2024-11-12 20:55:09,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495650270] [2024-11-12 20:55:09,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:09,572 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:09,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1709112, now seen corresponding path program 1 times [2024-11-12 20:55:09,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347186599] [2024-11-12 20:55:09,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:09,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347186599] [2024-11-12 20:55:09,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347186599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:09,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160116465] [2024-11-12 20:55:09,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,586 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:09,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 20:55:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,609 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:09,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160116465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:09,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:09,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 3 [2024-11-12 20:55:09,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070382633] [2024-11-12 20:55:09,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:09,613 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:09,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:09,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:55:09,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:55:09,614 INFO L87 Difference]: Start difference. First operand 40 states and 59 transitions. cyclomatic complexity: 24 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-12 20:55:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:09,630 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2024-11-12 20:55:09,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 75 transitions. [2024-11-12 20:55:09,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2024-11-12 20:55:09,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 50 states and 64 transitions. [2024-11-12 20:55:09,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-12 20:55:09,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-12 20:55:09,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 64 transitions. [2024-11-12 20:55:09,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:09,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 64 transitions. [2024-11-12 20:55:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 64 transitions. [2024-11-12 20:55:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45. [2024-11-12 20:55:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 44 states have internal predecessors, (59), 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) [2024-11-12 20:55:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2024-11-12 20:55:09,634 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 59 transitions. [2024-11-12 20:55:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:55:09,641 INFO L426 stractBuchiCegarLoop]: Abstraction has 45 states and 59 transitions. [2024-11-12 20:55:09,641 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-12 20:55:09,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 59 transitions. [2024-11-12 20:55:09,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2024-11-12 20:55:09,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:09,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:09,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-12 20:55:09,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:09,642 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" [2024-11-12 20:55:09,642 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" [2024-11-12 20:55:09,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 645974881, now seen corresponding path program 1 times [2024-11-12 20:55:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131254268] [2024-11-12 20:55:09,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:09,646 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:09,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:09,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1709174, now seen corresponding path program 2 times [2024-11-12 20:55:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328773376] [2024-11-12 20:55:09,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:09,672 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:09,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:09,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash 411447254, now seen corresponding path program 1 times [2024-11-12 20:55:09,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:09,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352367131] [2024-11-12 20:55:09,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-12 20:55:09,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:09,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:09,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352367131] [2024-11-12 20:55:09,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352367131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:09,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108290987] [2024-11-12 20:55:09,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:09,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,761 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:09,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 20:55:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:09,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 20:55:09,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:09,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:09,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108290987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:09,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:09,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 20:55:09,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318675853] [2024-11-12 20:55:09,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:09,850 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:09,850 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:09,850 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:09,850 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:09,850 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:09,850 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,850 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:09,850 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:09,850 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration6_Loop [2024-11-12 20:55:09,850 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:09,850 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:09,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:09,894 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:09,894 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,896 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-11-12 20:55:09,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-12 20:55:09,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:09,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:09,909 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:09,909 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=1} Honda state: {ULTIMATE.start_main_~up~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:09,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:09,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,922 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-11-12 20:55:09,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-12 20:55:09,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:09,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:09,942 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:09,943 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:09,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-12 20:55:09,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,956 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-11-12 20:55:09,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-12 20:55:09,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:09,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:09,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:09,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:09,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:09,982 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-11-12 20:55:09,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-12 20:55:09,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:09,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,013 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:10,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,018 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:10,018 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:10,018 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:10,018 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:10,018 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:10,018 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,018 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:10,018 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:10,018 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration6_Loop [2024-11-12 20:55:10,018 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:10,018 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:10,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,143 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:10,144 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,149 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-12 20:55:10,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-12 20:55:10,152 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 [2024-11-12 20:55:10,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:10,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:10,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:10,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:10,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:10,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:10,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:10,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:10,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,176 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-12 20:55:10,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-12 20:55:10,178 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 [2024-11-12 20:55:10,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:10,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:10,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:10,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:10,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:10,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:10,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:10,192 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:10,195 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:10,196 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:10,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,197 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-12 20:55:10,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-12 20:55:10,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:10,200 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:10,200 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:10,200 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-12 20:55:10,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,212 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:10,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:10,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:10,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:10,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:10,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:10,280 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 [2024-11-12 20:55:10,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 59 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-12 20:55:10,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 59 transitions. cyclomatic complexity: 18. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 114 states and 141 transitions. Complement of second has 7 states. [2024-11-12 20:55:10,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-12 20:55:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-12 20:55:10,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-12 20:55:10,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:10,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-12 20:55:10,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:10,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-12 20:55:10,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:10,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 141 transitions. [2024-11-12 20:55:10,342 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21 [2024-11-12 20:55:10,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 85 states and 108 transitions. [2024-11-12 20:55:10,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-11-12 20:55:10,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-12 20:55:10,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 108 transitions. [2024-11-12 20:55:10,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:10,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 108 transitions. [2024-11-12 20:55:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 108 transitions. [2024-11-12 20:55:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 62. [2024-11-12 20:55:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 61 states have internal predecessors, (81), 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) [2024-11-12 20:55:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2024-11-12 20:55:10,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 81 transitions. [2024-11-12 20:55:10,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:10,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:55:10,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:55:10,353 INFO L87 Difference]: Start difference. First operand 62 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-12 20:55:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:10,386 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2024-11-12 20:55:10,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 78 transitions. [2024-11-12 20:55:10,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2024-11-12 20:55:10,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 57 states and 72 transitions. [2024-11-12 20:55:10,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-11-12 20:55:10,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-11-12 20:55:10,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 72 transitions. [2024-11-12 20:55:10,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:10,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 72 transitions. [2024-11-12 20:55:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 72 transitions. [2024-11-12 20:55:10,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2024-11-12 20:55:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 40 states have internal predecessors, (52), 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) [2024-11-12 20:55:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2024-11-12 20:55:10,398 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-11-12 20:55:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:55:10,399 INFO L426 stractBuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-11-12 20:55:10,400 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-12 20:55:10,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 52 transitions. [2024-11-12 20:55:10,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-12 20:55:10,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:10,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:10,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-12 20:55:10,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:10,404 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" [2024-11-12 20:55:10,405 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" [2024-11-12 20:55:10,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:10,405 INFO L85 PathProgramCache]: Analyzing trace with hash 645974881, now seen corresponding path program 2 times [2024-11-12 20:55:10,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:10,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814779378] [2024-11-12 20:55:10,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:10,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,413 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:10,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:10,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1709176, now seen corresponding path program 2 times [2024-11-12 20:55:10,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:10,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994871014] [2024-11-12 20:55:10,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,423 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:10,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash 411447256, now seen corresponding path program 2 times [2024-11-12 20:55:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:10,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265469921] [2024-11-12 20:55:10,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:10,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:10,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:10,497 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:10,498 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:10,498 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:10,498 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:10,498 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:10,498 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,498 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:10,498 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:10,498 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration7_Loop [2024-11-12 20:55:10,498 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:10,498 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:10,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,560 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:10,560 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,564 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-12 20:55:10,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:10,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-12 20:55:10,593 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:10,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:10,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,608 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-11-12 20:55:10,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-12 20:55:10,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:10,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,629 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:10,630 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:10,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,642 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-11-12 20:55:10,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-12 20:55:10,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:10,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,662 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:10,662 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=1} Honda state: {ULTIMATE.start_main_~up~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:10,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,675 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-11-12 20:55:10,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-12 20:55:10,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:10,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-12 20:55:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,718 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-11-12 20:55:10,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:10,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:10,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-12 20:55:10,836 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:10,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,841 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:10,841 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:10,841 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:10,841 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:10,841 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:10,841 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,842 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:10,842 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:10,842 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration7_Loop [2024-11-12 20:55:10,842 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:10,842 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:10,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:10,889 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:10,889 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:10,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,892 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-11-12 20:55:10,897 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 [2024-11-12 20:55:10,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-12 20:55:10,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:10,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:10,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:10,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:10,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:10,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:10,912 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:10,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:10,925 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-11-12 20:55:10,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-12 20:55:10,927 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 [2024-11-12 20:55:10,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:10,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:10,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:10,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:10,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:10,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:10,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:10,939 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:10,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:10,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,003 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2024-11-12 20:55:11,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-12 20:55:11,027 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 [2024-11-12 20:55:11,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:11,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:11,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:11,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:11,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:11,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:11,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:11,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-12 20:55:11,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,061 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2024-11-12 20:55:11,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-12 20:55:11,062 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 [2024-11-12 20:55:11,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:11,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:11,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:11,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:11,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:11,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:11,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:11,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:11,086 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:11,086 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:11,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,087 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-11-12 20:55:11,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-12 20:55:11,090 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:11,091 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:11,091 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:11,091 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 17 Supporting invariants [] [2024-11-12 20:55:11,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:11,105 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:11,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:11,150 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 [2024-11-12 20:55:11,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 52 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-12 20:55:11,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 52 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 98 states and 117 transitions. Complement of second has 7 states. [2024-11-12 20:55:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-12 20:55:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-12 20:55:11,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-12 20:55:11,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-12 20:55:11,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-12 20:55:11,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 117 transitions. [2024-11-12 20:55:11,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-12 20:55:11,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 78 states and 96 transitions. [2024-11-12 20:55:11,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-12 20:55:11,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-11-12 20:55:11,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 96 transitions. [2024-11-12 20:55:11,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:11,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 96 transitions. [2024-11-12 20:55:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 96 transitions. [2024-11-12 20:55:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 54. [2024-11-12 20:55:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 53 states have internal predecessors, (69), 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) [2024-11-12 20:55:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2024-11-12 20:55:11,177 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 69 transitions. [2024-11-12 20:55:11,177 INFO L426 stractBuchiCegarLoop]: Abstraction has 54 states and 69 transitions. [2024-11-12 20:55:11,177 INFO L333 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-12 20:55:11,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 69 transitions. [2024-11-12 20:55:11,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-12 20:55:11,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:11,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:11,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 20:55:11,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:11,178 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:11,178 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:11,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1818617978, now seen corresponding path program 1 times [2024-11-12 20:55:11,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:11,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748359799] [2024-11-12 20:55:11,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:11,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748359799] [2024-11-12 20:55:11,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748359799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:11,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115210986] [2024-11-12 20:55:11,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:11,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,213 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:11,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-12 20:55:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:11,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115210986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:11,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 20:55:11,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701515098] [2024-11-12 20:55:11,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:11,286 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:11,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1606186, now seen corresponding path program 1 times [2024-11-12 20:55:11,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:11,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480780402] [2024-11-12 20:55:11,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:11,288 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:11,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:11,314 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:11,314 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:11,314 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:11,314 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:11,314 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:11,314 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,314 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:11,314 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:11,314 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration8_Loop [2024-11-12 20:55:11,314 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:11,314 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:11,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,360 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:11,360 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:11,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,362 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2024-11-12 20:55:11,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-12 20:55:11,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:11,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:11,382 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:11,382 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:11,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-12 20:55:11,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,394 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2024-11-12 20:55:11,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-12 20:55:11,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:11,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:11,415 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:11,415 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:11,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-12 20:55:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,427 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2024-11-12 20:55:11,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-12 20:55:11,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:11,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:11,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-12 20:55:11,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,452 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2024-11-12 20:55:11,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-12 20:55:11,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:11,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:11,466 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:11,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:11,478 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:11,478 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:11,478 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:11,478 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:11,478 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:11,478 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,478 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:11,478 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:11,478 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration8_Loop [2024-11-12 20:55:11,478 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:11,478 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:11,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:11,529 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:11,529 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:11,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,535 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2024-11-12 20:55:11,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-12 20:55:11,546 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 [2024-11-12 20:55:11,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:11,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:11,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:11,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:11,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:11,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:11,565 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:11,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:11,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,581 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2024-11-12 20:55:11,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-12 20:55:11,582 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 [2024-11-12 20:55:11,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:11,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:11,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:11,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:11,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:11,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:11,596 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:11,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-12 20:55:11,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,609 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2024-11-12 20:55:11,615 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 [2024-11-12 20:55:11,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-12 20:55:11,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:11,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:11,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:11,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:11,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:11,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:11,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:11,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:11,632 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:11,632 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:11,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,638 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2024-11-12 20:55:11,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-12 20:55:11,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:11,639 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:11,639 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:11,639 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-12 20:55:11,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:11,651 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:11,698 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 [2024-11-12 20:55:11,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 69 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-12 20:55:11,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 69 transitions. cyclomatic complexity: 19. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 117 states and 158 transitions. Complement of second has 7 states. [2024-11-12 20:55:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-12 20:55:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-12 20:55:11,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-12 20:55:11,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-12 20:55:11,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-12 20:55:11,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:11,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 158 transitions. [2024-11-12 20:55:11,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-12 20:55:11,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 89 states and 114 transitions. [2024-11-12 20:55:11,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-12 20:55:11,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2024-11-12 20:55:11,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2024-11-12 20:55:11,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:11,728 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-12 20:55:11,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2024-11-12 20:55:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 61. [2024-11-12 20:55:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 60 states have internal predecessors, (79), 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) [2024-11-12 20:55:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2024-11-12 20:55:11,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 79 transitions. [2024-11-12 20:55:11,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:11,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 20:55:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:55:11,731 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 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) [2024-11-12 20:55:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:11,771 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2024-11-12 20:55:11,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 185 transitions. [2024-11-12 20:55:11,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 37 [2024-11-12 20:55:11,776 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 141 states and 157 transitions. [2024-11-12 20:55:11,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2024-11-12 20:55:11,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2024-11-12 20:55:11,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 157 transitions. [2024-11-12 20:55:11,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:11,779 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 157 transitions. [2024-11-12 20:55:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 157 transitions. [2024-11-12 20:55:11,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 110. [2024-11-12 20:55:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 109 states have internal predecessors, (122), 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) [2024-11-12 20:55:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2024-11-12 20:55:11,783 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 122 transitions. [2024-11-12 20:55:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:55:11,786 INFO L426 stractBuchiCegarLoop]: Abstraction has 110 states and 122 transitions. [2024-11-12 20:55:11,786 INFO L333 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-12 20:55:11,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 122 transitions. [2024-11-12 20:55:11,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2024-11-12 20:55:11,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:11,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:11,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 7, 7, 6, 2, 2, 1, 1, 1] [2024-11-12 20:55:11,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-12 20:55:11,787 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:11,787 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:11,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1781274610, now seen corresponding path program 1 times [2024-11-12 20:55:11,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:11,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789518479] [2024-11-12 20:55:11,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-12 20:55:11,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:11,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789518479] [2024-11-12 20:55:11,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789518479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:11,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205670997] [2024-11-12 20:55:11,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:11,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:11,875 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:11,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-12 20:55:11,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-12 20:55:11,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-12 20:55:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:11,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:11,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:11,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:11,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205670997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:11,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:11,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-12 20:55:11,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598969051] [2024-11-12 20:55:11,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:11,983 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:11,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1606186, now seen corresponding path program 2 times [2024-11-12 20:55:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:11,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015535373] [2024-11-12 20:55:11,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:11,987 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:11,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:12,013 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:12,014 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:12,014 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:12,014 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:12,014 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:12,014 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,014 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:12,014 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:12,014 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration9_Loop [2024-11-12 20:55:12,014 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:12,015 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:12,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,060 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:12,060 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:12,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,061 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2024-11-12 20:55:12,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-12 20:55:12,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:12,063 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:12,091 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:12,091 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:12,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-12 20:55:12,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,102 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2024-11-12 20:55:12,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-12 20:55:12,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:12,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:12,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-12 20:55:12,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,127 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-11-12 20:55:12,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-12 20:55:12,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:12,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:12,141 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:12,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:12,152 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:12,152 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:12,152 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:12,152 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:12,152 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:12,152 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,152 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:12,152 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:12,152 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration9_Loop [2024-11-12 20:55:12,152 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:12,152 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:12,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:12,201 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:12,202 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:12,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,206 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-11-12 20:55:12,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-12 20:55:12,217 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 [2024-11-12 20:55:12,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:12,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:12,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:12,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:12,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:12,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:12,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:12,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:12,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-12 20:55:12,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,247 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2024-11-12 20:55:12,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-12 20:55:12,249 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 [2024-11-12 20:55:12,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:12,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:12,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:12,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:12,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:12,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:12,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:12,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:12,268 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:12,268 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:12,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:12,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,270 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2024-11-12 20:55:12,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-12 20:55:12,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:12,272 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:12,272 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:12,272 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-12 20:55:12,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:12,284 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:12,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:12,353 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 [2024-11-12 20:55:12,353 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 129 states and 145 transitions. Complement of second has 7 states. [2024-11-12 20:55:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-12 20:55:12,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-12 20:55:12,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:12,374 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:55:12,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:12,441 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:55:12,442 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,462 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 141 states and 157 transitions. Complement of second has 7 states. [2024-11-12 20:55:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2024-11-12 20:55:12,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-12 20:55:12,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:12,464 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:55:12,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:12,530 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:55:12,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 122 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 137 states and 156 transitions. Complement of second has 8 states. [2024-11-12 20:55:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-12 20:55:12,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 36 letters. Loop has 4 letters. [2024-11-12 20:55:12,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:12,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 40 letters. Loop has 4 letters. [2024-11-12 20:55:12,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:12,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 36 letters. Loop has 8 letters. [2024-11-12 20:55:12,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:12,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 156 transitions. [2024-11-12 20:55:12,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-12 20:55:12,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 112 states and 124 transitions. [2024-11-12 20:55:12,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-12 20:55:12,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-12 20:55:12,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 124 transitions. [2024-11-12 20:55:12,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:12,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 112 states and 124 transitions. [2024-11-12 20:55:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 124 transitions. [2024-11-12 20:55:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 73. [2024-11-12 20:55:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.1095890410958904) internal successors, (81), 72 states have internal predecessors, (81), 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) [2024-11-12 20:55:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2024-11-12 20:55:12,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 81 transitions. [2024-11-12 20:55:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:12,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 20:55:12,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:55:12,560 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2024-11-12 20:55:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:12,616 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2024-11-12 20:55:12,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 123 transitions. [2024-11-12 20:55:12,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2024-11-12 20:55:12,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 107 states and 115 transitions. [2024-11-12 20:55:12,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-12 20:55:12,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2024-11-12 20:55:12,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 115 transitions. [2024-11-12 20:55:12,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:12,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 115 transitions. [2024-11-12 20:55:12,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 115 transitions. [2024-11-12 20:55:12,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-11-12 20:55:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.0761904761904761) internal successors, (113), 104 states have internal predecessors, (113), 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) [2024-11-12 20:55:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2024-11-12 20:55:12,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 105 states and 113 transitions. [2024-11-12 20:55:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:55:12,628 INFO L426 stractBuchiCegarLoop]: Abstraction has 105 states and 113 transitions. [2024-11-12 20:55:12,628 INFO L333 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-12 20:55:12,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 113 transitions. [2024-11-12 20:55:12,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2024-11-12 20:55:12,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:12,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:12,629 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 5, 1, 1, 1, 1] [2024-11-12 20:55:12,629 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [12, 11, 11, 6, 6, 1, 1] [2024-11-12 20:55:12,630 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:12,630 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:12,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 297898526, now seen corresponding path program 2 times [2024-11-12 20:55:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532575644] [2024-11-12 20:55:12,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:12,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532575644] [2024-11-12 20:55:12,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532575644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:12,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598402607] [2024-11-12 20:55:12,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:55:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,736 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:12,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-12 20:55:12,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:12,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:12,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 20:55:12,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041527994] [2024-11-12 20:55:12,759 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:12,759 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:12,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash 78762809, now seen corresponding path program 1 times [2024-11-12 20:55:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:12,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460129963] [2024-11-12 20:55:12,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:12,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460129963] [2024-11-12 20:55:12,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460129963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:12,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609140793] [2024-11-12 20:55:12,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:12,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:12,879 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:12,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-12 20:55:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:12,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 20:55:12,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:12,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:55:13,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609140793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:55:13,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:55:13,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 11 [2024-11-12 20:55:13,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724252840] [2024-11-12 20:55:13,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:13,101 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:13,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:13,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 20:55:13,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:55:13,101 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. cyclomatic complexity: 12 Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 9 states have internal predecessors, (28), 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) [2024-11-12 20:55:13,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:13,170 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2024-11-12 20:55:13,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 133 transitions. [2024-11-12 20:55:13,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 55 [2024-11-12 20:55:13,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 121 states and 130 transitions. [2024-11-12 20:55:13,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-11-12 20:55:13,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-12 20:55:13,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 130 transitions. [2024-11-12 20:55:13,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:13,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 130 transitions. [2024-11-12 20:55:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 130 transitions. [2024-11-12 20:55:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2024-11-12 20:55:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.0707964601769913) internal successors, (121), 112 states have internal predecessors, (121), 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) [2024-11-12 20:55:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 121 transitions. [2024-11-12 20:55:13,173 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 121 transitions. [2024-11-12 20:55:13,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 20:55:13,177 INFO L426 stractBuchiCegarLoop]: Abstraction has 113 states and 121 transitions. [2024-11-12 20:55:13,177 INFO L333 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-12 20:55:13,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 121 transitions. [2024-11-12 20:55:13,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2024-11-12 20:55:13,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:13,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:13,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 6, 1, 1, 1, 1] [2024-11-12 20:55:13,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [13, 12, 12, 7, 6, 1, 1] [2024-11-12 20:55:13,178 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:13,178 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:13,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1417012551, now seen corresponding path program 3 times [2024-11-12 20:55:13,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:13,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414486086] [2024-11-12 20:55:13,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:13,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:13,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414486086] [2024-11-12 20:55:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414486086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291745700] [2024-11-12 20:55:13,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 20:55:13,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:13,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:13,312 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:13,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-12 20:55:13,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:13,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:13,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 20:55:13,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886003092] [2024-11-12 20:55:13,339 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:13,339 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:13,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:13,343 INFO L85 PathProgramCache]: Analyzing trace with hash -455466782, now seen corresponding path program 2 times [2024-11-12 20:55:13,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:13,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467266634] [2024-11-12 20:55:13,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:13,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467266634] [2024-11-12 20:55:13,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467266634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:13,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73414043] [2024-11-12 20:55:13,570 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:55:13,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:13,590 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:13,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-12 20:55:13,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:13,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:13,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 20:55:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945905490] [2024-11-12 20:55:13,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:13,633 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:13,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 20:55:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:55:13,634 INFO L87 Difference]: Start difference. First operand 113 states and 121 transitions. cyclomatic complexity: 12 Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 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) [2024-11-12 20:55:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:13,694 INFO L93 Difference]: Finished difference Result 132 states and 141 transitions. [2024-11-12 20:55:13,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 141 transitions. [2024-11-12 20:55:13,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2024-11-12 20:55:13,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 129 states and 138 transitions. [2024-11-12 20:55:13,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-12 20:55:13,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-12 20:55:13,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 138 transitions. [2024-11-12 20:55:13,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:13,696 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 138 transitions. [2024-11-12 20:55:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 138 transitions. [2024-11-12 20:55:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2024-11-12 20:55:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.0661157024793388) internal successors, (129), 120 states have internal predecessors, (129), 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) [2024-11-12 20:55:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 129 transitions. [2024-11-12 20:55:13,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 129 transitions. [2024-11-12 20:55:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:55:13,704 INFO L426 stractBuchiCegarLoop]: Abstraction has 121 states and 129 transitions. [2024-11-12 20:55:13,707 INFO L333 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-12 20:55:13,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 129 transitions. [2024-11-12 20:55:13,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2024-11-12 20:55:13,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:13,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:13,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 7, 1, 1, 1, 1] [2024-11-12 20:55:13,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [14, 13, 13, 8, 6, 1, 1] [2024-11-12 20:55:13,712 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:13,712 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:13,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1324712976, now seen corresponding path program 4 times [2024-11-12 20:55:13,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:13,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421083248] [2024-11-12 20:55:13,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:13,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:13,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:13,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421083248] [2024-11-12 20:55:13,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421083248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:13,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469460512] [2024-11-12 20:55:13,996 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 20:55:13,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:13,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:13,998 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:13,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-12 20:55:14,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:14,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:14,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 20:55:14,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340951180] [2024-11-12 20:55:14,047 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:14,047 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:14,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1218350581, now seen corresponding path program 3 times [2024-11-12 20:55:14,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010299510] [2024-11-12 20:55:14,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:14,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:14,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010299510] [2024-11-12 20:55:14,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010299510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:14,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449008750] [2024-11-12 20:55:14,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 20:55:14,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:14,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:14,207 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:14,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-12 20:55:14,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:14,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:14,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 20:55:14,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962011674] [2024-11-12 20:55:14,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:14,239 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:14,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:14,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:55:14,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:55:14,239 INFO L87 Difference]: Start difference. First operand 121 states and 129 transitions. cyclomatic complexity: 12 Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 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) [2024-11-12 20:55:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:14,313 INFO L93 Difference]: Finished difference Result 140 states and 149 transitions. [2024-11-12 20:55:14,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 149 transitions. [2024-11-12 20:55:14,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2024-11-12 20:55:14,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 137 states and 146 transitions. [2024-11-12 20:55:14,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2024-11-12 20:55:14,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2024-11-12 20:55:14,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 146 transitions. [2024-11-12 20:55:14,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:14,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 146 transitions. [2024-11-12 20:55:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 146 transitions. [2024-11-12 20:55:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2024-11-12 20:55:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.062015503875969) internal successors, (137), 128 states have internal predecessors, (137), 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) [2024-11-12 20:55:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2024-11-12 20:55:14,322 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 137 transitions. [2024-11-12 20:55:14,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:55:14,322 INFO L426 stractBuchiCegarLoop]: Abstraction has 129 states and 137 transitions. [2024-11-12 20:55:14,322 INFO L333 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-12 20:55:14,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 137 transitions. [2024-11-12 20:55:14,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2024-11-12 20:55:14,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:14,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:14,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 8, 1, 1, 1, 1] [2024-11-12 20:55:14,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [15, 14, 14, 9, 6, 1, 1] [2024-11-12 20:55:14,328 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:14,328 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:14,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,328 INFO L85 PathProgramCache]: Analyzing trace with hash -290351591, now seen corresponding path program 5 times [2024-11-12 20:55:14,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672570765] [2024-11-12 20:55:14,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:14,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:14,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672570765] [2024-11-12 20:55:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672570765] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:14,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702942486] [2024-11-12 20:55:14,503 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 20:55:14,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:14,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:14,504 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:14,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-12 20:55:14,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:14,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:14,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 20:55:14,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642542955] [2024-11-12 20:55:14,525 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:14,525 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:55:14,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1712981684, now seen corresponding path program 4 times [2024-11-12 20:55:14,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411340136] [2024-11-12 20:55:14,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:14,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:14,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411340136] [2024-11-12 20:55:14,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411340136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:14,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058665411] [2024-11-12 20:55:14,686 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 20:55:14,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:14,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:14,689 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:14,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-12 20:55:14,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:14,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:14,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 20:55:14,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952605130] [2024-11-12 20:55:14,710 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:14,710 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 20:55:14,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:14,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 20:55:14,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 20:55:14,711 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. cyclomatic complexity: 12 Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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) [2024-11-12 20:55:14,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:14,841 INFO L93 Difference]: Finished difference Result 204 states and 222 transitions. [2024-11-12 20:55:14,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 222 transitions. [2024-11-12 20:55:14,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 85 [2024-11-12 20:55:14,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 199 states and 217 transitions. [2024-11-12 20:55:14,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-12 20:55:14,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2024-11-12 20:55:14,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 199 states and 217 transitions. [2024-11-12 20:55:14,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:14,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 199 states and 217 transitions. [2024-11-12 20:55:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states and 217 transitions. [2024-11-12 20:55:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 182. [2024-11-12 20:55:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.098901098901099) internal successors, (200), 181 states have internal predecessors, (200), 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) [2024-11-12 20:55:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 200 transitions. [2024-11-12 20:55:14,851 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 200 transitions. [2024-11-12 20:55:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 20:55:14,853 INFO L426 stractBuchiCegarLoop]: Abstraction has 182 states and 200 transitions. [2024-11-12 20:55:14,854 INFO L333 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-12 20:55:14,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 200 transitions. [2024-11-12 20:55:14,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:14,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:14,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:14,856 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 9, 1, 1, 1, 1] [2024-11-12 20:55:14,856 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [16, 15, 15, 10, 6, 1, 1] [2024-11-12 20:55:14,856 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:14,856 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:14,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1904047042, now seen corresponding path program 6 times [2024-11-12 20:55:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374098961] [2024-11-12 20:55:14,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:14,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:14,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:14,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,882 INFO L85 PathProgramCache]: Analyzing trace with hash 666246877, now seen corresponding path program 5 times [2024-11-12 20:55:14,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120123340] [2024-11-12 20:55:14,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:14,896 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:14,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:14,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:14,906 INFO L85 PathProgramCache]: Analyzing trace with hash -780858722, now seen corresponding path program 2 times [2024-11-12 20:55:14,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:14,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267725718] [2024-11-12 20:55:14,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:14,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:15,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:15,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267725718] [2024-11-12 20:55:15,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267725718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:15,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218626031] [2024-11-12 20:55:15,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:55:15,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:15,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,074 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:15,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-12 20:55:15,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:15,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:15,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 20:55:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408671023] [2024-11-12 20:55:15,101 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:15,630 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:15,630 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:15,630 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:15,630 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:15,630 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:15,630 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,630 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:15,630 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:15,630 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration14_Loop [2024-11-12 20:55:15,630 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:15,630 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:15,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,701 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:15,701 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:15,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,703 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2024-11-12 20:55:15,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-12 20:55:15,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:15,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:15,723 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:15,723 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:15,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,736 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2024-11-12 20:55:15,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-12 20:55:15,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:15,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:15,757 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:15,757 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:15,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:15,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,769 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2024-11-12 20:55:15,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-12 20:55:15,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:15,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:15,782 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:15,782 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:15,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-12 20:55:15,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,794 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2024-11-12 20:55:15,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-12 20:55:15,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:15,799 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:15,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-12 20:55:15,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,821 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2024-11-12 20:55:15,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-12 20:55:15,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:15,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:15,834 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:15,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-12 20:55:15,844 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:15,844 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:15,844 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:15,844 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:15,844 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:15,844 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,845 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:15,845 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:15,845 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration14_Loop [2024-11-12 20:55:15,845 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:15,845 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:15,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:15,898 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:15,899 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:15,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,900 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2024-11-12 20:55:15,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-12 20:55:15,901 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 [2024-11-12 20:55:15,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:15,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:15,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:15,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:15,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:15,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:15,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:15,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:15,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,927 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2024-11-12 20:55:15,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-12 20:55:15,929 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 [2024-11-12 20:55:15,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:15,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:15,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:15,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:15,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:15,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:15,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:15,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:15,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:15,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,955 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2024-11-12 20:55:15,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-12 20:55:15,956 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 [2024-11-12 20:55:15,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:15,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:15,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:15,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:15,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:15,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:15,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:15,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:15,971 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:15,971 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:15,973 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2024-11-12 20:55:15,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-12 20:55:15,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:15,974 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:15,974 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:15,974 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 8 Supporting invariants [] [2024-11-12 20:55:15,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-12 20:55:15,985 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:15,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:16,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:16,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:16,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 20:55:16,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 309 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-12 20:55:16,236 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2024-11-12 20:55:16,236 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 200 transitions. cyclomatic complexity: 21 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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) [2024-11-12 20:55:16,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 200 transitions. cyclomatic complexity: 21. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 792 states and 835 transitions. Complement of second has 31 states. [2024-11-12 20:55:16,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 1 stem states 14 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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) [2024-11-12 20:55:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 72 transitions. [2024-11-12 20:55:16,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 72 transitions. Stem has 44 letters. Loop has 64 letters. [2024-11-12 20:55:16,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:16,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 72 transitions. Stem has 108 letters. Loop has 64 letters. [2024-11-12 20:55:16,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:16,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 72 transitions. Stem has 44 letters. Loop has 128 letters. [2024-11-12 20:55:16,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:16,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 792 states and 835 transitions. [2024-11-12 20:55:16,625 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2024-11-12 20:55:16,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 792 states to 592 states and 635 transitions. [2024-11-12 20:55:16,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 325 [2024-11-12 20:55:16,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 326 [2024-11-12 20:55:16,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 592 states and 635 transitions. [2024-11-12 20:55:16,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:16,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 592 states and 635 transitions. [2024-11-12 20:55:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states and 635 transitions. [2024-11-12 20:55:16,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 443. [2024-11-12 20:55:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 443 states have (on average 1.074492099322799) internal successors, (476), 442 states have internal predecessors, (476), 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) [2024-11-12 20:55:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 476 transitions. [2024-11-12 20:55:16,639 INFO L240 hiAutomatonCegarLoop]: Abstraction has 443 states and 476 transitions. [2024-11-12 20:55:16,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 20:55:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:55:16,640 INFO L87 Difference]: Start difference. First operand 443 states and 476 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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) [2024-11-12 20:55:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:16,692 INFO L93 Difference]: Finished difference Result 339 states and 362 transitions. [2024-11-12 20:55:16,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 339 states and 362 transitions. [2024-11-12 20:55:16,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:16,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 339 states to 289 states and 312 transitions. [2024-11-12 20:55:16,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2024-11-12 20:55:16,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2024-11-12 20:55:16,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 312 transitions. [2024-11-12 20:55:16,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:16,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 289 states and 312 transitions. [2024-11-12 20:55:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 312 transitions. [2024-11-12 20:55:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 186. [2024-11-12 20:55:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 186 states have (on average 1.0913978494623655) internal successors, (203), 185 states have internal predecessors, (203), 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) [2024-11-12 20:55:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 203 transitions. [2024-11-12 20:55:16,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 186 states and 203 transitions. [2024-11-12 20:55:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 20:55:16,708 INFO L426 stractBuchiCegarLoop]: Abstraction has 186 states and 203 transitions. [2024-11-12 20:55:16,708 INFO L333 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-12 20:55:16,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 203 transitions. [2024-11-12 20:55:16,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:16,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:16,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:16,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 9, 1, 1, 1, 1] [2024-11-12 20:55:16,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [17, 16, 16, 10, 7, 1, 1] [2024-11-12 20:55:16,710 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:16,714 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:16,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:16,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1904047042, now seen corresponding path program 7 times [2024-11-12 20:55:16,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:16,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470800197] [2024-11-12 20:55:16,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:16,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:16,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:16,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:16,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1310209784, now seen corresponding path program 6 times [2024-11-12 20:55:16,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:16,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597714845] [2024-11-12 20:55:16,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:16,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:16,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:16,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:16,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:16,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1188621385, now seen corresponding path program 3 times [2024-11-12 20:55:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:16,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010878339] [2024-11-12 20:55:16,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:16,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:16,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010878339] [2024-11-12 20:55:16,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010878339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:16,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039710719] [2024-11-12 20:55:16,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 20:55:16,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:16,946 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:16,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-12 20:55:17,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:17,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:17,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 20:55:17,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71150714] [2024-11-12 20:55:17,003 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:17,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:17,519 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:17,519 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:17,519 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:17,519 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:17,519 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:17,519 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,520 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:17,523 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:17,523 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration15_Loop [2024-11-12 20:55:17,523 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:17,523 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:17,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,578 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:17,578 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:17,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,595 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2024-11-12 20:55:17,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-12 20:55:17,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:17,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:17,644 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:17,645 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_17=1} Honda state: {v_rep~unnamed0~0~true_17=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:17,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:17,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,665 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2024-11-12 20:55:17,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-12 20:55:17,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:17,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:17,700 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:17,700 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:17,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2024-11-12 20:55:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,713 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2024-11-12 20:55:17,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-12 20:55:17,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:17,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:17,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,756 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2024-11-12 20:55:17,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-12 20:55:17,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:17,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:17,787 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:17,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-12 20:55:17,798 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:17,798 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:17,798 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:17,798 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:17,798 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:17,798 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,798 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:17,798 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:17,798 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration15_Loop [2024-11-12 20:55:17,798 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:17,799 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:17,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:17,855 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:17,855 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:17,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,857 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2024-11-12 20:55:17,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-12 20:55:17,858 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 [2024-11-12 20:55:17,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:17,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:17,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:17,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:17,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:17,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:17,872 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:17,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:17,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,928 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2024-11-12 20:55:17,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-12 20:55:17,930 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 [2024-11-12 20:55:17,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:17,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:17,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:17,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:17,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:17,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:17,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:17,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:17,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-11-12 20:55:17,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:17,974 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2024-11-12 20:55:17,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-12 20:55:17,977 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 [2024-11-12 20:55:17,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:17,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:17,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:17,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:17,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:17,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:17,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:17,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:17,995 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:17,995 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:17,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:17,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:18,010 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2024-11-12 20:55:18,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-12 20:55:18,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:18,016 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:18,016 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:18,016 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 17 Supporting invariants [] [2024-11-12 20:55:18,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:18,027 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:18,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:18,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:18,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:18,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 20:55:18,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-12 20:55:18,311 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2024-11-12 20:55:18,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 186 states and 203 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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) [2024-11-12 20:55:18,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 186 states and 203 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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 912 states and 955 transitions. Complement of second has 35 states. [2024-11-12 20:55:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 1 stem states 16 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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) [2024-11-12 20:55:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 81 transitions. [2024-11-12 20:55:18,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 81 transitions. Stem has 44 letters. Loop has 68 letters. [2024-11-12 20:55:18,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:18,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 81 transitions. Stem has 112 letters. Loop has 68 letters. [2024-11-12 20:55:18,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:18,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 81 transitions. Stem has 44 letters. Loop has 136 letters. [2024-11-12 20:55:18,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:18,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 912 states and 955 transitions. [2024-11-12 20:55:18,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2024-11-12 20:55:18,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 912 states to 652 states and 695 transitions. [2024-11-12 20:55:18,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 373 [2024-11-12 20:55:18,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 374 [2024-11-12 20:55:18,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 652 states and 695 transitions. [2024-11-12 20:55:18,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:18,750 INFO L218 hiAutomatonCegarLoop]: Abstraction has 652 states and 695 transitions. [2024-11-12 20:55:18,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states and 695 transitions. [2024-11-12 20:55:18,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 451. [2024-11-12 20:55:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 451 states have (on average 1.0687361419068737) internal successors, (482), 450 states have internal predecessors, (482), 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) [2024-11-12 20:55:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 482 transitions. [2024-11-12 20:55:18,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 451 states and 482 transitions. [2024-11-12 20:55:18,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 20:55:18,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:55:18,765 INFO L87 Difference]: Start difference. First operand 451 states and 482 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-12 20:55:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:18,830 INFO L93 Difference]: Finished difference Result 355 states and 376 transitions. [2024-11-12 20:55:18,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 376 transitions. [2024-11-12 20:55:18,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:18,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 297 states and 318 transitions. [2024-11-12 20:55:18,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2024-11-12 20:55:18,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2024-11-12 20:55:18,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 297 states and 318 transitions. [2024-11-12 20:55:18,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:18,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 297 states and 318 transitions. [2024-11-12 20:55:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states and 318 transitions. [2024-11-12 20:55:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 190. [2024-11-12 20:55:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 190 states have (on average 1.0842105263157895) internal successors, (206), 189 states have internal predecessors, (206), 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) [2024-11-12 20:55:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 206 transitions. [2024-11-12 20:55:18,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 190 states and 206 transitions. [2024-11-12 20:55:18,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:55:18,844 INFO L426 stractBuchiCegarLoop]: Abstraction has 190 states and 206 transitions. [2024-11-12 20:55:18,844 INFO L333 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-12 20:55:18,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states and 206 transitions. [2024-11-12 20:55:18,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:18,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:18,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:18,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 9, 1, 1, 1, 1] [2024-11-12 20:55:18,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [18, 17, 17, 10, 8, 1, 1] [2024-11-12 20:55:18,845 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:18,845 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:18,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:18,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1904047042, now seen corresponding path program 8 times [2024-11-12 20:55:18,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:18,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146938134] [2024-11-12 20:55:18,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:18,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:18,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:18,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash 429024691, now seen corresponding path program 7 times [2024-11-12 20:55:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332148860] [2024-11-12 20:55:18,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:18,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:18,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:18,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:18,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1093795724, now seen corresponding path program 4 times [2024-11-12 20:55:18,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501895452] [2024-11-12 20:55:18,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:19,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501895452] [2024-11-12 20:55:19,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501895452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925447854] [2024-11-12 20:55:19,100 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 20:55:19,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:19,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:19,151 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:19,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-11-12 20:55:19,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:19,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:19,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 20:55:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141478886] [2024-11-12 20:55:19,404 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:19,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:19,855 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:19,855 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:19,856 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:19,856 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:19,856 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:19,856 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:19,856 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:19,856 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:19,856 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration16_Loop [2024-11-12 20:55:19,856 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:19,856 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:19,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:19,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:19,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:19,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:19,908 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:19,908 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:19,921 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2024-11-12 20:55:19,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-12 20:55:19,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:19,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:20,068 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:20,069 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:20,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2024-11-12 20:55:20,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:20,081 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2024-11-12 20:55:20,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-12 20:55:20,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:20,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:20,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:20,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:20,114 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2024-11-12 20:55:20,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-12 20:55:20,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:20,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:20,129 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:20,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:20,141 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:20,141 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:20,142 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:20,142 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:20,142 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:20,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,142 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:20,142 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:20,142 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration16_Loop [2024-11-12 20:55:20,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:20,142 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:20,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:20,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:20,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:20,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:20,192 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:20,192 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:20,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:20,194 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2024-11-12 20:55:20,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-11-12 20:55:20,199 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 [2024-11-12 20:55:20,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:20,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:20,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:20,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:20,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:20,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:20,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:20,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:20,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:20,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:20,227 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2024-11-12 20:55:20,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-11-12 20:55:20,229 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 [2024-11-12 20:55:20,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:20,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:20,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:20,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:20,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:20,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:20,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:20,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:20,244 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:20,244 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:20,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:20,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:20,251 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2024-11-12 20:55:20,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-11-12 20:55:20,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:20,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:20,252 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:20,252 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2024-11-12 20:55:20,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:20,265 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:20,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:20,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:20,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:20,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 20:55:20,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-12 20:55:20,534 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 10 loop predicates [2024-11-12 20:55:20,538 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 190 states and 206 transitions. cyclomatic complexity: 19 Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-11-12 20:55:21,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 190 states and 206 transitions. cyclomatic complexity: 19. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 1053 states and 1096 transitions. Complement of second has 39 states. [2024-11-12 20:55:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 1 stem states 18 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-11-12 20:55:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 90 transitions. [2024-11-12 20:55:21,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 90 transitions. Stem has 44 letters. Loop has 72 letters. [2024-11-12 20:55:21,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:21,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 90 transitions. Stem has 116 letters. Loop has 72 letters. [2024-11-12 20:55:21,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:21,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 90 transitions. Stem has 44 letters. Loop has 144 letters. [2024-11-12 20:55:21,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:21,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1053 states and 1096 transitions. [2024-11-12 20:55:21,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2024-11-12 20:55:21,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1053 states to 725 states and 768 transitions. [2024-11-12 20:55:21,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2024-11-12 20:55:21,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 430 [2024-11-12 20:55:21,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 725 states and 768 transitions. [2024-11-12 20:55:21,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:21,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 725 states and 768 transitions. [2024-11-12 20:55:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states and 768 transitions. [2024-11-12 20:55:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 463. [2024-11-12 20:55:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 463 states have (on average 1.062634989200864) internal successors, (492), 462 states have internal predecessors, (492), 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) [2024-11-12 20:55:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 492 transitions. [2024-11-12 20:55:21,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 463 states and 492 transitions. [2024-11-12 20:55:21,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:55:21,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:55:21,075 INFO L87 Difference]: Start difference. First operand 463 states and 492 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 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) [2024-11-12 20:55:21,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:21,143 INFO L93 Difference]: Finished difference Result 371 states and 390 transitions. [2024-11-12 20:55:21,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 390 transitions. [2024-11-12 20:55:21,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:21,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 305 states and 324 transitions. [2024-11-12 20:55:21,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2024-11-12 20:55:21,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2024-11-12 20:55:21,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 305 states and 324 transitions. [2024-11-12 20:55:21,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:21,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 305 states and 324 transitions. [2024-11-12 20:55:21,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states and 324 transitions. [2024-11-12 20:55:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 194. [2024-11-12 20:55:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.077319587628866) internal successors, (209), 193 states have internal predecessors, (209), 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) [2024-11-12 20:55:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 209 transitions. [2024-11-12 20:55:21,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 209 transitions. [2024-11-12 20:55:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:55:21,154 INFO L426 stractBuchiCegarLoop]: Abstraction has 194 states and 209 transitions. [2024-11-12 20:55:21,154 INFO L333 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-11-12 20:55:21,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 209 transitions. [2024-11-12 20:55:21,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:21,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:21,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:21,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 9, 1, 1, 1, 1] [2024-11-12 20:55:21,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [19, 18, 18, 10, 9, 1, 1] [2024-11-12 20:55:21,159 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:21,159 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" [2024-11-12 20:55:21,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1904047042, now seen corresponding path program 9 times [2024-11-12 20:55:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:21,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026159552] [2024-11-12 20:55:21,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:21,168 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:21,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:21,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1006154974, now seen corresponding path program 8 times [2024-11-12 20:55:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:21,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92484341] [2024-11-12 20:55:21,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:21,195 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:21,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:21,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:21,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1349977887, now seen corresponding path program 5 times [2024-11-12 20:55:21,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:21,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921187502] [2024-11-12 20:55:21,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:21,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:21,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:55:21,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921187502] [2024-11-12 20:55:21,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921187502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:55:21,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111271006] [2024-11-12 20:55:21,421 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 20:55:21,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:55:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,442 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:55:21,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2024-11-12 20:55:21,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:55:21,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:55:21,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 20:55:21,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481383687] [2024-11-12 20:55:21,465 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 20:55:21,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2024-11-12 20:55:21,836 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:21,836 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:21,836 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:21,836 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:21,836 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:21,836 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,836 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:21,836 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:21,836 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration17_Loop [2024-11-12 20:55:21,836 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:21,836 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:21,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:21,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:21,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:21,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:21,876 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:21,876 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:21,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,880 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2024-11-12 20:55:21,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-12 20:55:21,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:21,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:21,899 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:21,899 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_21=0} Honda state: {v_rep~unnamed0~0~false_21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:21,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:21,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,910 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2024-11-12 20:55:21,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-11-12 20:55:21,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:21,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:21,923 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:21,923 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~up~0#1=0} Honda state: {ULTIMATE.start_main_~up~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:21,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:21,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,934 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2024-11-12 20:55:21,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-11-12 20:55:21,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:21,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:21,954 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:21,954 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_21=1} Honda state: {v_rep~unnamed0~0~true_21=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:21,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:21,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,967 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2024-11-12 20:55:21,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-11-12 20:55:21,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:21,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:21,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:21,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:21,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:21,992 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2024-11-12 20:55:21,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-11-12 20:55:21,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:21,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:22,005 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:22,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:22,020 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:22,020 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:22,020 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:22,020 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:22,020 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:22,020 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,020 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:22,020 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:22,021 INFO L132 ssoRankerPreferences]: Filename of dumped script: UpAndDownIneq.c_Iteration17_Loop [2024-11-12 20:55:22,021 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:22,021 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:22,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:22,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:22,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:22,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:22,074 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:22,074 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:22,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:22,076 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2024-11-12 20:55:22,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-11-12 20:55:22,078 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 [2024-11-12 20:55:22,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:22,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:22,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:22,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:22,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:22,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:22,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:22,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2024-11-12 20:55:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:22,128 INFO L229 MonitoredProcess]: Starting monitored process 107 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) [2024-11-12 20:55:22,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-11-12 20:55:22,131 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 [2024-11-12 20:55:22,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:22,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:22,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:22,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:22,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:22,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:22,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:22,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:22,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:22,217 INFO L229 MonitoredProcess]: Starting monitored process 108 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) [2024-11-12 20:55:22,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-11-12 20:55:22,221 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 [2024-11-12 20:55:22,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:22,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:22,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:22,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:22,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:22,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:22,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:22,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:22,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-11-12 20:55:22,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:22,314 INFO L229 MonitoredProcess]: Starting monitored process 109 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) [2024-11-12 20:55:22,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-11-12 20:55:22,317 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 [2024-11-12 20:55:22,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:22,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:22,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:22,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:22,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:22,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:22,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:22,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:22,332 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:22,332 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:55:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:22,334 INFO L229 MonitoredProcess]: Starting monitored process 110 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) [2024-11-12 20:55:22,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-11-12 20:55:22,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:22,335 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:22,335 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:22,336 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 19 Supporting invariants [] [2024-11-12 20:55:22,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2024-11-12 20:55:22,347 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:22,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:22,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:22,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:22,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 20:55:22,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-12 20:55:22,588 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2024-11-12 20:55:22,588 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 194 states and 209 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-11-12 20:55:23,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 194 states and 209 transitions. cyclomatic complexity: 18. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 1205 states and 1248 transitions. Complement of second has 43 states. [2024-11-12 20:55:23,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 1 stem states 20 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-11-12 20:55:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 97 transitions. [2024-11-12 20:55:23,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 97 transitions. Stem has 44 letters. Loop has 76 letters. [2024-11-12 20:55:23,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:23,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 97 transitions. Stem has 120 letters. Loop has 76 letters. [2024-11-12 20:55:23,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:23,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 97 transitions. Stem has 44 letters. Loop has 152 letters. [2024-11-12 20:55:23,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:23,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1205 states and 1248 transitions. [2024-11-12 20:55:23,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:23,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1205 states to 799 states and 840 transitions. [2024-11-12 20:55:23,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 490 [2024-11-12 20:55:23,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 492 [2024-11-12 20:55:23,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 799 states and 840 transitions. [2024-11-12 20:55:23,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:23,078 INFO L218 hiAutomatonCegarLoop]: Abstraction has 799 states and 840 transitions. [2024-11-12 20:55:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states and 840 transitions. [2024-11-12 20:55:23,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 466. [2024-11-12 20:55:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 466 states have (on average 1.053648068669528) internal successors, (491), 465 states have internal predecessors, (491), 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) [2024-11-12 20:55:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 491 transitions. [2024-11-12 20:55:23,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 466 states and 491 transitions. [2024-11-12 20:55:23,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:55:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 20:55:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 20:55:23,088 INFO L87 Difference]: Start difference. First operand 466 states and 491 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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) [2024-11-12 20:55:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:55:23,206 INFO L93 Difference]: Finished difference Result 393 states and 407 transitions. [2024-11-12 20:55:23,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 393 states and 407 transitions. [2024-11-12 20:55:23,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:23,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 393 states to 313 states and 327 transitions. [2024-11-12 20:55:23,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 229 [2024-11-12 20:55:23,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 299 [2024-11-12 20:55:23,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 313 states and 327 transitions. [2024-11-12 20:55:23,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:23,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 313 states and 327 transitions. [2024-11-12 20:55:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states and 327 transitions. [2024-11-12 20:55:23,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 117. [2024-11-12 20:55:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 116 states have internal predecessors, (128), 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) [2024-11-12 20:55:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 128 transitions. [2024-11-12 20:55:23,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 128 transitions. [2024-11-12 20:55:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 20:55:23,222 INFO L426 stractBuchiCegarLoop]: Abstraction has 117 states and 128 transitions. [2024-11-12 20:55:23,222 INFO L333 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2024-11-12 20:55:23,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 128 transitions. [2024-11-12 20:55:23,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 81 [2024-11-12 20:55:23,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:23,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:23,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:55:23,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [20, 19, 19, 10, 10, 1, 1] [2024-11-12 20:55:23,223 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~up~0#1;havoc main_~i~0#1;havoc main_~up~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~up~0#1 := 0;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" [2024-11-12 20:55:23,223 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 >= 10);" "assume main_~i~0#1 <= 0;main_~up~0#1 := 1;" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume main_~up~0#1 >= 1;main_~i~0#1 := 1 + main_~i~0#1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume main_~i~0#1 >= 10;main_~up~0#1 := 0;" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" "assume !(main_~i~0#1 >= 10);" "assume !(main_~i~0#1 <= 0);" "assume !(main_~up~0#1 >= 1);main_~i~0#1 := main_~i~0#1 - 1;" "assume !!(0 <= main_~i~0#1 && main_~i~0#1 <= 10);" [2024-11-12 20:55:23,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:23,223 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2024-11-12 20:55:23,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:23,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404440750] [2024-11-12 20:55:23,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:23,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,230 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:23,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash -252329863, now seen corresponding path program 9 times [2024-11-12 20:55:23,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:23,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964644222] [2024-11-12 20:55:23,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:23,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,245 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:23,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:23,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1528123168, now seen corresponding path program 6 times [2024-11-12 20:55:23,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064701420] [2024-11-12 20:55:23,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:23,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,270 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:23,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2024-11-12 20:55:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,775 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:23,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:55:23 BoogieIcfgContainer [2024-11-12 20:55:23,812 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:55:23,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:55:23,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:55:23,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:55:23,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:06" (3/4) ... [2024-11-12 20:55:23,818 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 20:55:23,890 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 20:55:23,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:55:23,890 INFO L158 Benchmark]: Toolchain (without parser) took 17915.25ms. Allocated memory was 138.4MB in the beginning and 356.5MB in the end (delta: 218.1MB). Free memory was 70.1MB in the beginning and 290.6MB in the end (delta: -220.6MB). Peak memory consumption was 691.4kB. Max. memory is 16.1GB. [2024-11-12 20:55:23,891 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:23,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.95ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 58.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 20:55:23,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.92ms. Allocated memory was 138.4MB in the beginning and 226.5MB in the end (delta: 88.1MB). Free memory was 58.6MB in the beginning and 198.7MB in the end (delta: -140.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-12 20:55:23,892 INFO L158 Benchmark]: Boogie Preprocessor took 21.29ms. Allocated memory is still 226.5MB. Free memory was 198.7MB in the beginning and 197.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:23,892 INFO L158 Benchmark]: RCFGBuilder took 212.49ms. Allocated memory is still 226.5MB. Free memory was 197.2MB in the beginning and 192.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-12 20:55:23,892 INFO L158 Benchmark]: BuchiAutomizer took 17370.91ms. Allocated memory was 226.5MB in the beginning and 356.5MB in the end (delta: 130.0MB). Free memory was 191.1MB in the beginning and 293.8MB in the end (delta: -102.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-12 20:55:23,896 INFO L158 Benchmark]: Witness Printer took 77.83ms. Allocated memory is still 356.5MB. Free memory was 293.8MB in the beginning and 290.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 20:55:23,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.95ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 58.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.92ms. Allocated memory was 138.4MB in the beginning and 226.5MB in the end (delta: 88.1MB). Free memory was 58.6MB in the beginning and 198.7MB in the end (delta: -140.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.29ms. Allocated memory is still 226.5MB. Free memory was 198.7MB in the beginning and 197.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 212.49ms. Allocated memory is still 226.5MB. Free memory was 197.2MB in the beginning and 192.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 17370.91ms. Allocated memory was 226.5MB in the beginning and 356.5MB in the end (delta: 130.0MB). Free memory was 191.1MB in the beginning and 293.8MB in the end (delta: -102.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Witness Printer took 77.83ms. Allocated memory is still 356.5MB. Free memory was 293.8MB in the beginning and 290.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 25 terminating modules (14 trivial, 10 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long) -2 * i) + 1) and consists of 5 locations. One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function ((long) -1 * i) and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * i) + 17) and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * i) + 8) and consists of 16 locations. One deterministic module has affine ranking function (((long) -2 * i) + 17) and consists of 18 locations. One deterministic module has affine ranking function (((long) -1 * i) + 9) and consists of 20 locations. One deterministic module has affine ranking function (((long) -2 * i) + 19) and consists of 22 locations. One nondeterministic module has affine ranking function i and consists of 4 locations. 14 modules have a trivial ranking function, the largest among these consists of 12 locations. The remainder module has 117 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.3s and 18 iterations. TraceHistogramMax:20. Analysis of lassos took 12.1s. Construction of modules took 1.2s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 25. Automata minimization 0.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 1693 StatesRemovedByMinimization, 25 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [10, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 684/2320 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 523 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 510 mSDsluCounter, 257 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 195 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1648 IncrementalHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 195 mSolverCounterUnsat, 212 mSDtfsCounter, 1648 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT3 conc0 concLT6 SILN0 SILU0 SILI6 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax183 hnf100 lsp35 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf89 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 24 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 11 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 12]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=0, up=0] Loop: [L12] COND FALSE !(i >= 10) [L15] COND TRUE i <= 0 [L16] up = 1 [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i >= 10 [L13] up = 0 [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 12]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int up; [L8] i = __VERIFIER_nondet_int() [L9] up = 0 VAL [up=0] [L11] COND TRUE 0 <= i && i <= 10 VAL [i=0, up=0] Loop: [L12] COND FALSE !(i >= 10) [L15] COND TRUE i <= 0 [L16] up = 1 [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND TRUE up >= 1 [L19] i = i+1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND TRUE i >= 10 [L13] up = 0 [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 [L12] COND FALSE !(i >= 10) [L15] COND FALSE !(i <= 0) [L18] COND FALSE !(up >= 1) [L21] i = i-1 [L11] COND TRUE 0 <= i && i <= 10 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 20:55:23,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:24,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:24,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:24,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:24,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-12 20:55:24,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:25,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:25,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:25,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:25,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:26,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:26,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:26,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:26,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:26,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-12 20:55:27,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:27,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:27,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:27,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:27,957 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)