./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.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 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:12:58,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:12:58,387 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:12:58,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:12:58,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:12:58,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:12:58,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:12:58,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:12:58,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:12:58,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:12:58,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:12:58,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:12:58,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:12:58,415 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:12:58,415 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:12:58,416 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:12:58,416 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:12:58,416 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:12:58,416 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:12:58,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:12:58,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:12:58,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:12:58,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:12:58,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:12:58,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:12:58,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:12:58,421 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:12:58,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:12:58,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:12:58,421 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:12:58,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:12:58,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:12:58,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:12:58,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:12:58,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:12:58,424 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:12:58,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2024-11-19 14:12:58,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:12:58,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:12:58,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:12:58,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:12:58,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:12:58,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-19 14:13:00,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:13:00,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:13:00,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-19 14:13:00,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e02f528/0657f996ab3d4a918ef50e556a0ef03e/FLAGa1870af16 [2024-11-19 14:13:00,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e02f528/0657f996ab3d4a918ef50e556a0ef03e [2024-11-19 14:13:00,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:13:00,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:13:00,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:13:00,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:13:00,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:13:00,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:00,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18869159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00, skipping insertion in model container [2024-11-19 14:13:00,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:00,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:13:00,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:13:00,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:13:00,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:13:00,995 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:13:00,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00 WrapperNode [2024-11-19 14:13:00,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:13:00,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:13:00,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:13:00,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:13:01,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,029 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-19 14:13:01,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:13:01,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:13:01,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:13:01,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:13:01,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,078 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:13:01,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:13:01,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:13:01,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:13:01,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:13:01,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (1/1) ... [2024-11-19 14:13:01,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:01,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:01,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:13:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:13:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:13:01,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:13:01,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:13:01,286 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-19 14:13:01,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:13:01,304 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:13:01,304 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:13:01,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:01 BoogieIcfgContainer [2024-11-19 14:13:01,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:13:01,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:13:01,306 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:13:01,311 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:13:01,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:01,312 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:13:00" (1/3) ... [2024-11-19 14:13:01,313 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@369b4cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:13:01, skipping insertion in model container [2024-11-19 14:13:01,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:01,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:00" (2/3) ... [2024-11-19 14:13:01,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@369b4cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:13:01, skipping insertion in model container [2024-11-19 14:13:01,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:01,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:01" (3/3) ... [2024-11-19 14:13:01,318 INFO L332 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2024-11-19 14:13:01,377 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:13:01,377 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:13:01,377 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:13:01,377 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:13:01,378 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:13:01,378 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:13:01,379 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:13:01,379 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:13:01,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:01,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:01,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:01,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:01,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:13:01,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:01,405 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:13:01,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:01,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:01,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:01,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:01,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:13:01,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:01,414 INFO L745 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L15-2true [2024-11-19 14:13:01,414 INFO L747 eck$LassoCheckResult]: Loop: 7#L15-2true assume !!(main_~c~0#1 > 0); 5#L15true assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 7#L15-2true [2024-11-19 14:13:01,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:01,420 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:13:01,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:01,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881332743] [2024-11-19 14:13:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:01,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:01,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-19 14:13:01,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:01,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489151404] [2024-11-19 14:13:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:01,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:13:01,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232220917] [2024-11-19 14:13:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:01,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:01,697 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:01,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:01,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:01,699 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:01,699 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:01,699 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,699 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:01,699 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:01,699 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2024-11-19 14:13:01,700 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:01,700 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:01,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:01,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:01,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:01,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:01,841 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:01,841 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:01,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:01,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:01,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:13:01,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:01,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:01,884 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:01,885 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: [] [2024-11-19 14:13:01,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-19 14:13:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:01,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:13:01,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:01,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:01,931 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:01,931 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: [] [2024-11-19 14:13:01,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-19 14:13:01,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:01,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:01,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:13:01,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:01,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:01,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-19 14:13:01,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:01,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:01,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:13:01,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:01,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,025 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:02,025 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=1} Honda state: {ULTIMATE.start_main_~c~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=1}, {ULTIMATE.start_main_~c~0#1=0}] Lambdas: [0, 1, 5] Nus: [0, 0] [2024-11-19 14:13:02,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-19 14:13:02,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:02,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:13:02,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:02,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:02,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,069 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) [2024-11-19 14:13:02,070 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 [2024-11-19 14:13:02,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:02,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,107 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:02,113 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 [2024-11-19 14:13:02,114 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:02,114 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:02,114 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:02,114 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:02,114 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:02,114 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,114 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:02,114 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:02,115 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2024-11-19 14:13:02,115 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:02,115 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:02,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,200 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:02,206 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:02,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,210 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) [2024-11-19 14:13:02,212 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 [2024-11-19 14:13:02,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:02,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:02,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:02,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:02,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:02,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:02,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:02,235 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:02,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-19 14:13:02,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,251 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) [2024-11-19 14:13:02,252 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 [2024-11-19 14:13:02,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:02,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:02,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:02,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:02,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:02,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:02,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:02,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:02,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:02,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,291 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) [2024-11-19 14:13:02,292 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 [2024-11-19 14:13:02,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:02,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:02,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:02,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:02,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:02,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:02,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:02,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:02,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:02,325 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 [2024-11-19 14:13:02,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,328 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:02,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-19 14:13:02,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:02,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:02,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:02,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:02,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:02,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:02,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:02,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:02,353 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:02,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:02,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:02,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,382 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) [2024-11-19 14:13:02,384 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 [2024-11-19 14:13:02,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:02,385 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:02,385 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:02,386 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-19 14:13:02,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:02,402 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:02,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:02,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:02,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:02,458 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:02,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:02,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:13:02,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2024-11-19 14:13:02,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) Result 20 states and 28 transitions. Complement of second has 6 states. [2024-11-19 14:13:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2024-11-19 14:13:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-19 14:13:02,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:13:02,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:02,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:13:02,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:02,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:13:02,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:02,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2024-11-19 14:13:02,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:02,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2024-11-19 14:13:02,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-19 14:13:02,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-19 14:13:02,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-19 14:13:02,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:02,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-19 14:13:02,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-19 14:13:02,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-19 14:13:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2024-11-19 14:13:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-19 14:13:02,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-19 14:13:02,568 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-19 14:13:02,568 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:13:02,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-19 14:13:02,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:02,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:02,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:02,578 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:13:02,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:02,578 INFO L745 eck$LassoCheckResult]: Stem: 67#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 68#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 69#L15-2 assume !!(main_~c~0#1 > 0); 63#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 64#L15-2 [2024-11-19 14:13:02,578 INFO L747 eck$LassoCheckResult]: Loop: 64#L15-2 assume !!(main_~c~0#1 > 0); 70#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 64#L15-2 [2024-11-19 14:13:02,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:02,579 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-19 14:13:02,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:02,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429727134] [2024-11-19 14:13:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:02,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:02,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:02,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:02,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-11-19 14:13:02,599 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 [2024-11-19 14:13:02,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:02,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815409876] [2024-11-19 14:13:02,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:02,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:02,609 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:13:02,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:02,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:02,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:02,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:02,625 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-11-19 14:13:02,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:02,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415342690] [2024-11-19 14:13:02,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:02,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:02,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:13:02,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415342690] [2024-11-19 14:13:02,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415342690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:13:02,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:13:02,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:13:02,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177675964] [2024-11-19 14:13:02,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:13:02,723 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:02,723 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:02,723 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:02,724 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:02,724 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:02,724 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,724 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:02,724 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:02,724 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2024-11-19 14:13:02,724 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:02,724 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:02,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,787 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:02,787 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,790 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) [2024-11-19 14:13:02,791 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 [2024-11-19 14:13:02,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:02,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,817 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:02,817 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: [] [2024-11-19 14:13:02,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-19 14:13:02,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,835 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) [2024-11-19 14:13:02,837 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 [2024-11-19 14:13:02,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:02,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,861 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:02,862 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: [] [2024-11-19 14:13:02,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,874 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) [2024-11-19 14:13:02,875 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 [2024-11-19 14:13:02,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:02,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,903 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 [2024-11-19 14:13:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:02,906 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) [2024-11-19 14:13:02,908 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 [2024-11-19 14:13:02,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:02,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:02,943 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:02,947 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 [2024-11-19 14:13:02,948 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:02,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:02,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:02,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:02,948 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:02,948 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:02,948 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:02,948 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:02,948 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2024-11-19 14:13:02,948 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:02,948 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:02,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:02,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,018 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:03,018 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:03,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,021 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) [2024-11-19 14:13:03,022 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 [2024-11-19 14:13:03,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:03,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:03,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:03,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:03,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:03,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:03,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:03,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:03,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-19 14:13:03,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,059 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) [2024-11-19 14:13:03,060 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 [2024-11-19 14:13:03,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:03,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:03,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:03,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:03,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:03,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:03,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:03,081 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:03,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:03,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,098 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) [2024-11-19 14:13:03,100 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 [2024-11-19 14:13:03,101 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 [2024-11-19 14:13:03,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:03,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:03,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:03,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:03,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:03,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:03,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:03,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:03,118 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:03,118 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,120 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) [2024-11-19 14:13:03,122 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 [2024-11-19 14:13:03,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:03,123 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:03,123 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:03,123 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-19 14:13:03,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:03,135 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:03,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,176 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:03,180 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:13:03,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-19 14:13:03,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 12 states and 17 transitions. Complement of second has 5 states. [2024-11-19 14:13:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-19 14:13:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-19 14:13:03,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:13:03,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-19 14:13:03,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-19 14:13:03,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-11-19 14:13:03,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:03,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-11-19 14:13:03,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-19 14:13:03,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-19 14:13:03,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-19 14:13:03,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:03,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-19 14:13:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-19 14:13:03,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-19 14:13:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-19 14:13:03,202 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-19 14:13:03,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:13:03,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:13:03,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:13:03,206 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. 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) [2024-11-19 14:13:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:13:03,226 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2024-11-19 14:13:03,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-19 14:13:03,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:03,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 17 transitions. [2024-11-19 14:13:03,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-19 14:13:03,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-19 14:13:03,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-11-19 14:13:03,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:03,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-19 14:13:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-11-19 14:13:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-19 14:13:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-19 14:13:03,233 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-19 14:13:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:13:03,235 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-19 14:13:03,236 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:13:03,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-19 14:13:03,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:03,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:03,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:03,238 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1] [2024-11-19 14:13:03,238 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:03,238 INFO L745 eck$LassoCheckResult]: Stem: 149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 155#L15-2 assume !!(main_~c~0#1 > 0); 156#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 160#L15-2 assume !!(main_~c~0#1 > 0); 159#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 157#L15-2 assume !!(main_~c~0#1 > 0); 151#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 152#L15-2 [2024-11-19 14:13:03,239 INFO L747 eck$LassoCheckResult]: Loop: 152#L15-2 assume !!(main_~c~0#1 > 0); 158#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 152#L15-2 [2024-11-19 14:13:03,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 297591406, now seen corresponding path program 2 times [2024-11-19 14:13:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060526501] [2024-11-19 14:13:03,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,255 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:13:03,259 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:03,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:03,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-11-19 14:13:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920947034] [2024-11-19 14:13:03,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,275 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:13:03,278 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:03,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:03,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1777467309, now seen corresponding path program 3 times [2024-11-19 14:13:03,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944270049] [2024-11-19 14:13:03,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,292 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 14:13:03,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 14:13:03,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:13:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944270049] [2024-11-19 14:13:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944270049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:13:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671697729] [2024-11-19 14:13:03,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:03,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:13:03,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,348 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:13:03,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 14:13:03,375 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 14:13:03,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:03,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 14:13:03,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:13:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 14:13:03,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671697729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:13:03,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:13:03,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-19 14:13:03,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727943129] [2024-11-19 14:13:03,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:13:03,500 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:03,500 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:03,501 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:03,501 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:03,501 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:03,501 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,501 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:03,501 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:03,501 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2024-11-19 14:13:03,501 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:03,501 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:03,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,568 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:03,568 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:03,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,571 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) [2024-11-19 14:13:03,572 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 [2024-11-19 14:13:03,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:03,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:03,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-19 14:13:03,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,599 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) [2024-11-19 14:13:03,599 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 [2024-11-19 14:13:03,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:03,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:03,632 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:03,638 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 [2024-11-19 14:13:03,639 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:03,639 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:03,639 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:03,639 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:03,639 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:03,639 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,639 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:03,639 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:03,639 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2024-11-19 14:13:03,639 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:03,639 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:03,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:03,708 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:03,708 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:03,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,710 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) [2024-11-19 14:13:03,711 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 [2024-11-19 14:13:03,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:03,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:03,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:03,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:03,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:03,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:03,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:03,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:03,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:03,736 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:03,736 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:03,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:03,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:03,740 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) [2024-11-19 14:13:03,741 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 [2024-11-19 14:13:03,741 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:03,741 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:03,741 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:03,741 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-19 14:13:03,752 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 [2024-11-19 14:13:03,753 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:03,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,791 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:03,795 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:13:03,795 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 5 states. [2024-11-19 14:13:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-19 14:13:03,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-19 14:13:03,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,807 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:03,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,841 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:03,844 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:13:03,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 5 states. [2024-11-19 14:13:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-19 14:13:03,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-19 14:13:03,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,854 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:03,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:03,888 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:03,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:03,891 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 1 loop predicates [2024-11-19 14:13:03,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,903 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 23 transitions. Complement of second has 4 states. [2024-11-19 14:13:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-19 14:13:03,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-19 14:13:03,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-19 14:13:03,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-19 14:13:03,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:03,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2024-11-19 14:13:03,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-19 14:13:03,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 19 transitions. [2024-11-19 14:13:03,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:13:03,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-19 14:13:03,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-11-19 14:13:03,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:03,907 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-19 14:13:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-11-19 14:13:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 7. [2024-11-19 14:13:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2024-11-19 14:13:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-19 14:13:03,910 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-19 14:13:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:13:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:13:03,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:13:03,912 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-11-19 14:13:03,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:13:03,930 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2024-11-19 14:13:03,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-19 14:13:03,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-19 14:13:03,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2024-11-19 14:13:03,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-19 14:13:03,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-19 14:13:03,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-11-19 14:13:03,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:03,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-19 14:13:03,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-11-19 14:13:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2024-11-19 14:13:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2024-11-19 14:13:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-11-19 14:13:03,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-19 14:13:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:13:03,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-19 14:13:03,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:13:03,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-11-19 14:13:03,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-19 14:13:03,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:03,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:03,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:13:03,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-19 14:13:03,937 INFO L745 eck$LassoCheckResult]: Stem: 399#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 402#L15-2 [2024-11-19 14:13:03,937 INFO L747 eck$LassoCheckResult]: Loop: 402#L15-2 assume !!(main_~c~0#1 > 0); 405#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 408#L15-2 assume !!(main_~c~0#1 > 0); 401#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 402#L15-2 [2024-11-19 14:13:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-19 14:13:03,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381934197] [2024-11-19 14:13:03,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,943 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:13:03,943 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:03,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:03,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1266953, now seen corresponding path program 1 times [2024-11-19 14:13:03,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298345001] [2024-11-19 14:13:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:03,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:03,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash 889694155, now seen corresponding path program 4 times [2024-11-19 14:13:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:03,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376575111] [2024-11-19 14:13:03,961 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:13:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:03,965 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:13:03,966 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:03,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:03,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:04,042 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:04,042 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:04,042 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:04,042 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:04,042 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:04,042 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,042 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:04,042 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:04,042 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2024-11-19 14:13:04,042 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:04,042 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:04,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,116 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:04,116 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,118 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) [2024-11-19 14:13:04,122 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 [2024-11-19 14:13:04,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:04,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:04,156 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 [2024-11-19 14:13:04,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,160 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) [2024-11-19 14:13:04,162 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 [2024-11-19 14:13:04,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:04,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:04,179 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:04,193 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 [2024-11-19 14:13:04,194 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:04,194 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:04,194 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:04,194 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:04,194 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:04,194 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,194 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:04,194 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:04,194 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2024-11-19 14:13:04,194 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:04,194 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:04,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,254 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:04,254 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:04,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,256 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:04,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-19 14:13:04,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:04,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:04,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:04,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:04,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:04,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:04,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:04,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:04,271 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:04,273 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:04,273 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:04,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,275 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:04,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-19 14:13:04,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:04,277 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:04,277 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:04,277 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 201 Supporting invariants [] [2024-11-19 14:13:04,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:04,290 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:04,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:04,337 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-19 14:13:04,337 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 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) [2024-11-19 14:13:04,345 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. 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 21 states and 27 transitions. Complement of second has 5 states. [2024-11-19 14:13:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:04,345 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) [2024-11-19 14:13:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2024-11-19 14:13:04,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:13:04,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,346 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:04,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:04,392 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 [2024-11-19 14:13:04,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 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) [2024-11-19 14:13:04,413 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. 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 25 states and 33 transitions. Complement of second has 7 states. [2024-11-19 14:13:04,415 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 [2024-11-19 14:13:04,415 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) [2024-11-19 14:13:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-11-19 14:13:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:13:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-19 14:13:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-19 14:13:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-11-19 14:13:04,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-19 14:13:04,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2024-11-19 14:13:04,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-19 14:13:04,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-19 14:13:04,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2024-11-19 14:13:04,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:04,418 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-19 14:13:04,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2024-11-19 14:13:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-11-19 14:13:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2024-11-19 14:13:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-19 14:13:04,421 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-19 14:13:04,421 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-19 14:13:04,421 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:13:04,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-19 14:13:04,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-19 14:13:04,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:04,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:04,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-11-19 14:13:04,422 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:04,422 INFO L745 eck$LassoCheckResult]: Stem: 523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 525#L15-2 assume !!(main_~c~0#1 > 0); 521#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 522#L15-2 assume !!(main_~c~0#1 > 0); 529#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 532#L15-2 assume !!(main_~c~0#1 > 0); 531#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 528#L15-2 assume !!(main_~c~0#1 > 0); 519#L15 [2024-11-19 14:13:04,422 INFO L747 eck$LassoCheckResult]: Loop: 519#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 520#L15-2 assume !!(main_~c~0#1 > 0); 519#L15 [2024-11-19 14:13:04,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,423 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 5 times [2024-11-19 14:13:04,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:04,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388323482] [2024-11-19 14:13:04,425 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:13:04,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:04,437 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-19 14:13:04,438 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:04,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:04,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:04,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-11-19 14:13:04,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:04,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433571203] [2024-11-19 14:13:04,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:04,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:04,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:04,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:04,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash 790346520, now seen corresponding path program 6 times [2024-11-19 14:13:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:04,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533283432] [2024-11-19 14:13:04,461 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:13:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:04,473 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-19 14:13:04,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:04,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:04,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:04,512 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:04,512 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:04,512 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:04,512 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:04,512 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:04,512 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,512 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:04,512 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:04,512 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2024-11-19 14:13:04,513 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:04,513 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:04,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:04,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:04,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,620 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 [2024-11-19 14:13:04,663 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:04,664 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,667 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:04,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-19 14:13:04,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:04,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:04,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:04,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,702 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:04,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-19 14:13:04,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:04,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:04,758 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:04,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:04,762 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:04,762 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:04,762 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:04,762 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:04,762 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:04,762 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,762 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:04,762 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:04,762 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2024-11-19 14:13:04,763 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:04,763 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:04,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:04,812 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:04,813 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:04,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,814 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:04,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-19 14:13:04,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:04,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:04,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:04,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:04,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:04,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:04,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:04,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:04,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:04,831 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-19 14:13:04,831 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:04,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:04,832 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) [2024-11-19 14:13:04,833 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 [2024-11-19 14:13:04,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:04,833 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:04,833 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:04,833 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0#1) = 1*ULTIMATE.start_main_~c~0#1 Supporting invariants [] [2024-11-19 14:13:04,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-19 14:13:04,844 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:04,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,883 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:04,895 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-19 14:13:04,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:04,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 3 states. [2024-11-19 14:13:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:04,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-19 14:13:04,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,903 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:04,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,941 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:04,954 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 [2024-11-19 14:13:04,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:04,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 3 states. [2024-11-19 14:13:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:04,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-19 14:13:04,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:04,959 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:04,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:04,990 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:04,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:04,999 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 [2024-11-19 14:13:04,999 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,014 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2024-11-19 14:13:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-19 14:13:05,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-19 14:13:05,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-19 14:13:05,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-19 14:13:05,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-11-19 14:13:05,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-19 14:13:05,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 24 transitions. [2024-11-19 14:13:05,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-19 14:13:05,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2024-11-19 14:13:05,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2024-11-19 14:13:05,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:05,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-19 14:13:05,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2024-11-19 14:13:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-19 14:13:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-19 14:13:05,020 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-19 14:13:05,020 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-19 14:13:05,020 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:13:05,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-19 14:13:05,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:13:05,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:05,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:05,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-11-19 14:13:05,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-19 14:13:05,021 INFO L745 eck$LassoCheckResult]: Stem: 712#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 713#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 714#L15-2 assume !!(main_~c~0#1 > 0); 715#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 722#L15-2 assume !!(main_~c~0#1 > 0); 721#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 720#L15-2 assume !!(main_~c~0#1 > 0); 718#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 719#L15-2 assume !!(main_~c~0#1 > 0); 709#L15 [2024-11-19 14:13:05,021 INFO L747 eck$LassoCheckResult]: Loop: 709#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 710#L15-2 assume !!(main_~c~0#1 > 0); 716#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 717#L15-2 assume !!(main_~c~0#1 > 0); 709#L15 [2024-11-19 14:13:05,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,022 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 7 times [2024-11-19 14:13:05,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:05,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877386328] [2024-11-19 14:13:05,022 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 14:13:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:05,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:05,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:05,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2024-11-19 14:13:05,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:05,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693921004] [2024-11-19 14:13:05,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:05,047 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:13:05,047 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:05,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:05,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:05,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,050 INFO L85 PathProgramCache]: Analyzing trace with hash -686205165, now seen corresponding path program 8 times [2024-11-19 14:13:05,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:05,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028616828] [2024-11-19 14:13:05,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:05,056 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:13:05,056 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:05,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:05,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:05,110 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:05,110 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:05,110 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:05,110 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:05,110 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:05,110 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,110 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:05,110 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:05,110 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2024-11-19 14:13:05,110 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:05,110 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:05,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,179 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:05,180 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:05,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,183 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) [2024-11-19 14:13:05,183 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 [2024-11-19 14:13:05,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:05,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:05,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:05,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,207 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) [2024-11-19 14:13:05,208 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 [2024-11-19 14:13:05,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:05,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:05,221 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:05,232 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 [2024-11-19 14:13:05,233 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:05,233 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:05,233 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:05,233 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:05,233 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:05,233 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,233 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:05,233 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:05,233 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2024-11-19 14:13:05,233 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:05,233 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:05,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,292 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:05,292 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:05,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,295 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) [2024-11-19 14:13:05,297 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 [2024-11-19 14:13:05,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:05,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:05,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:05,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:05,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:05,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:05,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:05,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:05,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:05,313 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:05,313 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:05,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,314 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) [2024-11-19 14:13:05,315 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 [2024-11-19 14:13:05,316 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:05,316 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:05,316 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:05,316 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 221 Supporting invariants [] [2024-11-19 14:13:05,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-19 14:13:05,327 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:05,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:05,386 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 [2024-11-19 14:13:05,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,401 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 27 states and 33 transitions. Complement of second has 7 states. [2024-11-19 14:13:05,401 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 [2024-11-19 14:13:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-19 14:13:05,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-19 14:13:05,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,402 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:05,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:05,461 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-19 14:13:05,461 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,479 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 26 states and 33 transitions. Complement of second has 7 states. [2024-11-19 14:13:05,479 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 [2024-11-19 14:13:05,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-19 14:13:05,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-19 14:13:05,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,480 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:05,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:05,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:05,541 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 3 loop predicates [2024-11-19 14:13:05,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 42 states and 53 transitions. Complement of second has 8 states. [2024-11-19 14:13:05,566 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 [2024-11-19 14:13:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-19 14:13:05,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-19 14:13:05,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-19 14:13:05,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-19 14:13:05,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:05,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2024-11-19 14:13:05,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-11-19 14:13:05,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 31 states and 40 transitions. [2024-11-19 14:13:05,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:13:05,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-19 14:13:05,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-11-19 14:13:05,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:05,572 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-19 14:13:05,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-11-19 14:13:05,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2024-11-19 14:13:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-11-19 14:13:05,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-19 14:13:05,574 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-19 14:13:05,575 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-19 14:13:05,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-11-19 14:13:05,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-19 14:13:05,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:05,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:05,577 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 3, 3, 1, 1] [2024-11-19 14:13:05,577 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 1] [2024-11-19 14:13:05,577 INFO L745 eck$LassoCheckResult]: Stem: 983#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 984#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 985#L15-2 assume !!(main_~c~0#1 > 0); 995#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 996#L15-2 assume !!(main_~c~0#1 > 0); 993#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 991#L15-2 assume !!(main_~c~0#1 > 0); 990#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 986#L15-2 assume !!(main_~c~0#1 > 0); 987#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 981#L15-2 assume !!(main_~c~0#1 > 0); 1003#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1002#L15-2 assume !!(main_~c~0#1 > 0); 1001#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 999#L15-2 assume !!(main_~c~0#1 > 0); 980#L15 [2024-11-19 14:13:05,577 INFO L747 eck$LassoCheckResult]: Loop: 980#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 981#L15-2 assume !!(main_~c~0#1 > 0); 1003#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1002#L15-2 assume !!(main_~c~0#1 > 0); 1001#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 999#L15-2 assume !!(main_~c~0#1 > 0); 980#L15 [2024-11-19 14:13:05,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1981740944, now seen corresponding path program 9 times [2024-11-19 14:13:05,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:05,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304813931] [2024-11-19 14:13:05,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:05,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:05,585 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 14:13:05,585 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 14:13:05,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:13:05,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304813931] [2024-11-19 14:13:05,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304813931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:13:05,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54441374] [2024-11-19 14:13:05,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:05,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:13:05,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,655 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:13:05,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 14:13:05,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 14:13:05,692 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:05,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:05,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 14:13:05,724 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 14:13:05,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54441374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:13:05,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 14:13:05,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-19 14:13:05,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023957182] [2024-11-19 14:13:05,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:13:05,725 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:13:05,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1298898678, now seen corresponding path program 3 times [2024-11-19 14:13:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:05,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457522566] [2024-11-19 14:13:05,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:05,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:05,734 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 14:13:05,734 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:05,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:05,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:05,797 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:05,797 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:05,797 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:05,797 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:05,797 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:05,797 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,797 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:05,797 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:05,797 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2024-11-19 14:13:05,797 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:05,797 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:05,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,843 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:05,843 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,845 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) [2024-11-19 14:13:05,846 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 [2024-11-19 14:13:05,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:05,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:05,867 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 [2024-11-19 14:13:05,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,869 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) [2024-11-19 14:13:05,870 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 [2024-11-19 14:13:05,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:05,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:05,884 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:05,896 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 [2024-11-19 14:13:05,897 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:05,897 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:05,897 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:05,897 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:05,897 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:05,897 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,897 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:05,897 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:05,897 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2024-11-19 14:13:05,897 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:05,897 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:05,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:05,952 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:05,952 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:05,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,954 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) [2024-11-19 14:13:05,955 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 [2024-11-19 14:13:05,956 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 [2024-11-19 14:13:05,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:05,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:05,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:05,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:05,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:05,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:05,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:05,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:05,972 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:05,972 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:13:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:05,974 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) [2024-11-19 14:13:05,976 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 [2024-11-19 14:13:05,977 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:05,977 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:05,977 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:05,977 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-19 14:13:05,991 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 [2024-11-19 14:13:05,991 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:06,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:06,094 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:13:06,094 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 27 states and 36 transitions. Complement of second has 3 states. [2024-11-19 14:13:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:06,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-19 14:13:06,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,101 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:06,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:06,194 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:13:06,195 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,200 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 27 states and 36 transitions. Complement of second has 3 states. [2024-11-19 14:13:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:06,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-19 14:13:06,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,202 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:06,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,305 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 [2024-11-19 14:13:06,328 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 [2024-11-19 14:13:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:06,341 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 4 loop predicates [2024-11-19 14:13:06,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 45 states and 55 transitions. Complement of second has 4 states. [2024-11-19 14:13:06,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-19 14:13:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-19 14:13:06,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-19 14:13:06,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,352 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:06,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:06,443 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:13:06,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 75 states and 94 transitions. Complement of second has 12 states. [2024-11-19 14:13:06,469 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 [2024-11-19 14:13:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-19 14:13:06,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-19 14:13:06,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,470 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:06,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:06,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:13:06,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:06,555 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:13:06,556 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,613 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,614 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,646 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,684 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,684 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,708 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,709 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:06,710 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 525 states and 880 transitions. Complement of second has 116 states 12 powerset states104 rank states. The highest rank that occured is 7 [2024-11-19 14:13:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-11-19 14:13:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 35 transitions. [2024-11-19 14:13:06,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-19 14:13:06,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-19 14:13:06,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 15 letters. Loop has 12 letters. [2024-11-19 14:13:06,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:06,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 525 states and 880 transitions. [2024-11-19 14:13:06,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-19 14:13:06,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 525 states to 384 states and 664 transitions. [2024-11-19 14:13:06,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-19 14:13:06,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2024-11-19 14:13:06,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 384 states and 664 transitions. [2024-11-19 14:13:06,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:06,734 INFO L218 hiAutomatonCegarLoop]: Abstraction has 384 states and 664 transitions. [2024-11-19 14:13:06,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states and 664 transitions. [2024-11-19 14:13:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 99. [2024-11-19 14:13:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.6363636363636365) internal successors, (162), 98 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 162 transitions. [2024-11-19 14:13:06,751 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 162 transitions. [2024-11-19 14:13:06,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:13:06,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:13:06,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-19 14:13:06,752 INFO L87 Difference]: Start difference. First operand 99 states and 162 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2024-11-19 14:13:06,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:13:06,771 INFO L93 Difference]: Finished difference Result 122 states and 184 transitions. [2024-11-19 14:13:06,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 184 transitions. [2024-11-19 14:13:06,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2024-11-19 14:13:06,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 110 states and 166 transitions. [2024-11-19 14:13:06,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-19 14:13:06,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-19 14:13:06,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 166 transitions. [2024-11-19 14:13:06,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:06,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 166 transitions. [2024-11-19 14:13:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 166 transitions. [2024-11-19 14:13:06,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 92. [2024-11-19 14:13:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 91 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 140 transitions. [2024-11-19 14:13:06,779 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 140 transitions. [2024-11-19 14:13:06,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:13:06,780 INFO L425 stractBuchiCegarLoop]: Abstraction has 92 states and 140 transitions. [2024-11-19 14:13:06,780 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-19 14:13:06,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 140 transitions. [2024-11-19 14:13:06,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2024-11-19 14:13:06,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:06,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:06,781 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2024-11-19 14:13:06,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 2, 2] [2024-11-19 14:13:06,781 INFO L745 eck$LassoCheckResult]: Stem: 2455#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2461#L15-2 assume !!(main_~c~0#1 > 0); 2537#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2538#L15-2 assume !!(main_~c~0#1 > 0); 2480#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2476#L15-2 assume !!(main_~c~0#1 > 0); 2478#L15 [2024-11-19 14:13:06,782 INFO L747 eck$LassoCheckResult]: Loop: 2478#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2463#L15-2 assume !!(main_~c~0#1 > 0); 2464#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2505#L15-2 assume !!(main_~c~0#1 > 0); 2466#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2467#L15-2 assume !!(main_~c~0#1 > 0); 2487#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2485#L15-2 assume !!(main_~c~0#1 > 0); 2478#L15 [2024-11-19 14:13:06,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715102, now seen corresponding path program 2 times [2024-11-19 14:13:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:06,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782542947] [2024-11-19 14:13:06,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:13:06,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:06,786 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:13:06,786 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:06,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:06,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:06,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1593853071, now seen corresponding path program 4 times [2024-11-19 14:13:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:06,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457714370] [2024-11-19 14:13:06,789 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:13:06,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:06,793 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:13:06,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 14:13:06,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:13:06,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457714370] [2024-11-19 14:13:06,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457714370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:13:06,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:13:06,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:13:06,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293220212] [2024-11-19 14:13:06,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:13:06,831 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:13:06,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:13:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:13:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:13:06,832 INFO L87 Difference]: Start difference. First operand 92 states and 140 transitions. cyclomatic complexity: 55 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:06,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:13:06,843 INFO L93 Difference]: Finished difference Result 113 states and 154 transitions. [2024-11-19 14:13:06,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 154 transitions. [2024-11-19 14:13:06,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 32 [2024-11-19 14:13:06,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 93 states and 126 transitions. [2024-11-19 14:13:06,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-19 14:13:06,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-19 14:13:06,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 126 transitions. [2024-11-19 14:13:06,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:06,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2024-11-19 14:13:06,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 126 transitions. [2024-11-19 14:13:06,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 74. [2024-11-19 14:13:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-19 14:13:06,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-19 14:13:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:13:06,853 INFO L425 stractBuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-19 14:13:06,853 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-19 14:13:06,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 102 transitions. [2024-11-19 14:13:06,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 32 [2024-11-19 14:13:06,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:06,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:06,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2024-11-19 14:13:06,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 6, 4] [2024-11-19 14:13:06,854 INFO L745 eck$LassoCheckResult]: Stem: 2670#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2673#L15-2 assume !!(main_~c~0#1 > 0); 2733#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2705#L15-2 assume !!(main_~c~0#1 > 0); 2727#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2728#L15-2 assume !!(main_~c~0#1 > 0); 2667#L15 [2024-11-19 14:13:06,854 INFO L747 eck$LassoCheckResult]: Loop: 2667#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2668#L15-2 assume !!(main_~c~0#1 > 0); 2732#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2729#L15-2 assume !!(main_~c~0#1 > 0); 2726#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2725#L15-2 assume !!(main_~c~0#1 > 0); 2724#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2722#L15-2 assume !!(main_~c~0#1 > 0); 2721#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2720#L15-2 assume !!(main_~c~0#1 > 0); 2717#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2719#L15-2 assume !!(main_~c~0#1 > 0); 2718#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2716#L15-2 assume !!(main_~c~0#1 > 0); 2715#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2714#L15-2 assume !!(main_~c~0#1 > 0); 2713#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2712#L15-2 assume !!(main_~c~0#1 > 0); 2711#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2709#L15-2 assume !!(main_~c~0#1 > 0); 2667#L15 [2024-11-19 14:13:06,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715102, now seen corresponding path program 3 times [2024-11-19 14:13:06,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:06,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446823648] [2024-11-19 14:13:06,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:13:06,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:06,863 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 14:13:06,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:06,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:06,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:06,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,868 INFO L85 PathProgramCache]: Analyzing trace with hash -860275429, now seen corresponding path program 5 times [2024-11-19 14:13:06,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:06,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978659630] [2024-11-19 14:13:06,868 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:13:06,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:06,881 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-19 14:13:06,881 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:13:06,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:06,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:06,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:06,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1172307576, now seen corresponding path program 10 times [2024-11-19 14:13:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:06,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572018940] [2024-11-19 14:13:06,889 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:13:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:06,897 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:13:06,897 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 14:13:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:13:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572018940] [2024-11-19 14:13:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572018940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:13:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051910475] [2024-11-19 14:13:07,003 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:13:07,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:13:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,005 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:13:07,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-19 14:13:07,044 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:13:07,045 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:13:07,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 14:13:07,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:13:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 14:13:07,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051910475] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:13:07,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:13:07,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-19 14:13:07,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141764978] [2024-11-19 14:13:07,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:13:07,348 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:07,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:07,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:07,349 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:07,349 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:07,349 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,349 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:07,349 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:07,349 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration9_Loop [2024-11-19 14:13:07,349 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:07,349 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:07,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,401 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:07,401 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:07,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,403 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) [2024-11-19 14:13:07,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:07,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:07,410 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 [2024-11-19 14:13:07,428 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:07,428 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: [] [2024-11-19 14:13:07,442 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 [2024-11-19 14:13:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,445 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) [2024-11-19 14:13:07,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:07,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:07,449 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 [2024-11-19 14:13:07,480 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 [2024-11-19 14:13:07,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,482 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) [2024-11-19 14:13:07,484 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 [2024-11-19 14:13:07,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:07,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:07,556 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:07,561 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 [2024-11-19 14:13:07,561 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:07,561 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:07,561 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:07,562 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:07,562 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:07,562 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,562 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:07,562 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:07,562 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration9_Loop [2024-11-19 14:13:07,562 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:07,562 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:07,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:07,631 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:07,632 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:07,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,634 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) [2024-11-19 14:13:07,635 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 [2024-11-19 14:13:07,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:07,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:07,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:07,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:07,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:07,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:07,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:07,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:07,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,670 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) [2024-11-19 14:13:07,672 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 [2024-11-19 14:13:07,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:13:07,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:07,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:07,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:07,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:07,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:07,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:07,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:07,688 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:07,690 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-19 14:13:07,690 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:07,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:07,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:07,692 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) [2024-11-19 14:13:07,693 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 [2024-11-19 14:13:07,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:07,694 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:07,694 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:07,694 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0#1) = 1*ULTIMATE.start_main_~c~0#1 Supporting invariants [] [2024-11-19 14:13:07,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-19 14:13:07,708 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:07,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:07,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:07,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:07,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 14:13:07,843 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-19 14:13:07,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:07,849 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 74 states and 102 transitions. Complement of second has 3 states. [2024-11-19 14:13:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:07,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-19 14:13:07,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:07,850 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:07,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:07,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:07,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 14:13:07,965 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-19 14:13:07,965 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:07,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 74 states and 102 transitions. Complement of second has 3 states. [2024-11-19 14:13:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-19 14:13:07,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-19 14:13:07,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:07,970 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:07,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:07,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:07,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:08,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:08,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 14:13:08,086 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 6 loop predicates [2024-11-19 14:13:08,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 104 states and 136 transitions. Complement of second has 4 states. [2024-11-19 14:13:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-19 14:13:08,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-19 14:13:08,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:08,101 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:08,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:08,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:08,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:08,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:08,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 14:13:08,216 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-19 14:13:08,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 104 states and 136 transitions. Complement of second has 4 states. [2024-11-19 14:13:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-19 14:13:08,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-19 14:13:08,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:08,230 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:13:08,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:08,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:08,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:08,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 14:13:08,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 14:13:08,337 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-11-19 14:13:08,337 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,400 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,401 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,401 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,401 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,403 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,417 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,418 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,418 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,418 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,421 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,436 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,436 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,436 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,437 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,437 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,439 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,439 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,445 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,445 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,445 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,446 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,446 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,446 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,446 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,448 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,448 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,474 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,476 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,476 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,476 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,476 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,479 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,479 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,484 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,484 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,484 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,484 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,485 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,485 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,485 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,485 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,486 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,488 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,489 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,493 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,495 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,495 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,496 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,496 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,496 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,496 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,496 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,497 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,497 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,500 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,500 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,501 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,501 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,501 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,506 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,507 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,507 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,507 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,508 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,508 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,508 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,508 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,509 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,509 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,509 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,509 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,509 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,510 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,510 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,510 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,510 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,514 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-19 14:13:08,515 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,515 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,515 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,515 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,520 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-19 14:13:08,521 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-19 14:13:08,522 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,522 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,522 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,523 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,523 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,523 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,523 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,523 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,524 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,524 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,524 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,524 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,527 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,527 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,528 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,528 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,528 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,534 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,534 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,535 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,535 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,535 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,539 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,539 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,544 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,545 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,545 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,545 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,546 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,546 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,550 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,550 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,555 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,557 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,558 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,559 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,561 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,562 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,563 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,563 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,566 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,567 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,567 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,568 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,568 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,569 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-19 14:13:08,570 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,570 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,571 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,571 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,571 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,571 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,572 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,572 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,575 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,575 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,584 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,585 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,585 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,586 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,590 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,590 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,591 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,591 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,591 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,592 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,593 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,593 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,593 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,594 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,595 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,595 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,597 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,598 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,599 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,601 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,601 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,602 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,602 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,603 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,604 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,604 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,607 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,608 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,612 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-19 14:13:08,614 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,615 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-19 14:13:08,615 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,617 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,617 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,618 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,618 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,619 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,623 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,624 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,624 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,625 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,625 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,630 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,631 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,631 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,639 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,639 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,642 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,646 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,646 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,647 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-19 14:13:08,653 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 74 states and 102 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 4742 states and 8919 transitions. Complement of second has 430 states 13 powerset states417 rank states. The highest rank that occured is 9 [2024-11-19 14:13:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:08,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2024-11-19 14:13:08,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-19 14:13:08,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:08,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 27 letters. Loop has 20 letters. [2024-11-19 14:13:08,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:08,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 40 letters. [2024-11-19 14:13:08,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:08,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4742 states and 8919 transitions. [2024-11-19 14:13:08,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:13:08,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4742 states to 0 states and 0 transitions. [2024-11-19 14:13:08,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:13:08,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:13:08,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:13:08,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:13:08,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:08,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:08,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:13:08,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:13:08,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:13:08,730 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2024-11-19 14:13:08,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:13:08,730 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-19 14:13:08,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-19 14:13:08,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:13:08,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 14:13:08,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:13:08,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:13:08,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:13:08,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:13:08,731 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:08,731 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:08,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 14:13:08,732 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:08,732 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-19 14:13:08,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:13:08,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:13:08,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:13:08,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:13:08 BoogieIcfgContainer [2024-11-19 14:13:08,739 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:13:08,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:13:08,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:13:08,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:13:08,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:01" (3/4) ... [2024-11-19 14:13:08,743 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:13:08,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:13:08,744 INFO L158 Benchmark]: Toolchain (without parser) took 8004.01ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 117.0MB in the beginning and 118.9MB in the end (delta: -1.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,745 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:13:08,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.82ms. Allocated memory is still 174.1MB. Free memory was 117.0MB in the beginning and 144.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.84ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 142.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,745 INFO L158 Benchmark]: Boogie Preprocessor took 62.34ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 141.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,745 INFO L158 Benchmark]: RCFGBuilder took 211.85ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 132.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,746 INFO L158 Benchmark]: BuchiAutomizer took 7433.97ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 132.4MB in the beginning and 119.9MB in the end (delta: 12.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-19 14:13:08,746 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 216.0MB. Free memory was 119.9MB in the beginning and 118.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:13:08,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.82ms. Allocated memory is still 174.1MB. Free memory was 117.0MB in the beginning and 144.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.84ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 142.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.34ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 141.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 211.85ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 132.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7433.97ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 132.4MB in the beginning and 119.9MB in the end (delta: 12.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 216.0MB. Free memory was 119.9MB in the beginning and 118.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (5 trivial, 3 deterministic, 5 nondeterministic). One deterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 4 locations. One deterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 3 locations. One deterministic module has affine ranking function (((long) -2 * n) + 201) and consists of 4 locations. One nondeterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 3 locations. One nondeterministic module has affine ranking function c and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -2 * n) + 221) and consists of 4 locations. One nondeterministic module has affine ranking function n and consists of 7 locations. One nondeterministic module has affine ranking function c and consists of 9 locations. 5 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 10 iterations. TraceHistogramMax:10. Analysis of lassos took 4.4s. Construction of modules took 0.2s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 9. Minimization of det autom 2. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 341 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 3, 0, 2]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 84/100 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 130 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT4 conc0 concLT3 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax165 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:13:08,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-19 14:13:08,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-19 14:13:09,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 14:13:09,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE