./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:15:55,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:15:55,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:15:55,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:15:55,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:15:55,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:15:55,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:15:55,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:15:55,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:15:56,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:15:56,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:15:56,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:15:56,003 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:15:56,003 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:15:56,003 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:15:56,006 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:15:56,007 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:15:56,007 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:15:56,007 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:15:56,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:15:56,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:15:56,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:15:56,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:15:56,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:15:56,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:15:56,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:15:56,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:15:56,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:15:56,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:15:56,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:15:56,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:15:56,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:15:56,013 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:15:56,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:15:56,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:15:56,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:15:56,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:15:56,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:15:56,015 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:15:56,016 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2024-10-12 00:15:56,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:15:56,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:15:56,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:15:56,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:15:56,350 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:15:56,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2024-10-12 00:15:58,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:15:58,255 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:15:58,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2024-10-12 00:15:58,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/44f4d4f72/48ce87ef62da408f9015ad84bed5aeff/FLAG61d96afea [2024-10-12 00:15:58,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/44f4d4f72/48ce87ef62da408f9015ad84bed5aeff [2024-10-12 00:15:58,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:15:58,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:15:58,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:15:58,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:15:58,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:15:58,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494e2961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58, skipping insertion in model container [2024-10-12 00:15:58,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:15:58,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:15:58,845 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:15:58,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:15:58,870 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:15:58,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58 WrapperNode [2024-10-12 00:15:58,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:15:58,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:15:58,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:15:58,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:15:58,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,898 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-10-12 00:15:58,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:15:58,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:15:58,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:15:58,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:15:58,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,917 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:15:58,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:15:58,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:15:58,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:15:58,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:15:58,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (1/1) ... [2024-10-12 00:15:58,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:58,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:58,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:58,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:15:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:15:59,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:15:59,108 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:15:59,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:15:59,229 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-12 00:15:59,229 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:15:59,242 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:15:59,242 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:15:59,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:59 BoogieIcfgContainer [2024-10-12 00:15:59,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:15:59,244 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:15:59,244 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:15:59,247 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:15:59,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:59,248 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:15:58" (1/3) ... [2024-10-12 00:15:59,249 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43998e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:15:59, skipping insertion in model container [2024-10-12 00:15:59,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:59,250 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:15:58" (2/3) ... [2024-10-12 00:15:59,250 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43998e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:15:59, skipping insertion in model container [2024-10-12 00:15:59,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:15:59,250 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:59" (3/3) ... [2024-10-12 00:15:59,252 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2024-10-12 00:15:59,340 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:15:59,341 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:15:59,341 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:15:59,341 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:15:59,342 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:15:59,342 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:15:59,342 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:15:59,342 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:15:59,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:59,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-10-12 00:15:59,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:59,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:59,372 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:15:59,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:15:59,373 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:15:59,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:59,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-10-12 00:15:59,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:59,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:59,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:15:59,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:15:59,383 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2024-10-12 00:15:59,384 INFO L747 eck$LassoCheckResult]: Loop: 2#L32-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 2#L32-2true [2024-10-12 00:15:59,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:59,390 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-12 00:15:59,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686652366] [2024-10-12 00:15:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:59,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-10-12 00:15:59,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:59,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138956494] [2024-10-12 00:15:59,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:59,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:59,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-10-12 00:15:59,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:59,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072130909] [2024-10-12 00:15:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:59,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:59,740 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:59,741 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:59,741 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:59,741 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:59,741 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:59,742 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:59,742 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:59,742 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:59,742 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-10-12 00:15:59,742 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:59,743 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:59,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:59,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:59,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:59,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:59,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:59,886 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:59,886 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:59,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:59,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:59,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:15:59,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:59,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:59,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:15:59,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:59,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:59,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:59,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:15:59,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:59,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:16:13,484 INFO L403 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2024-10-12 00:16:13,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:16:13,549 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:16:13,550 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:16:13,550 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:16:13,550 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:16:13,550 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:16:13,550 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:13,550 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:16:13,550 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:16:13,550 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-10-12 00:16:13,550 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:16:13,550 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:16:13,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:13,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:13,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:13,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:13,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:13,628 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:16:13,634 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:16:13,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:13,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:13,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:16:13,641 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 [2024-10-12 00:16:13,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:13,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:13,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:13,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:16:13,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:16:13,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:16:13,674 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:16:13,682 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:16:13,682 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-12 00:16:13,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:13,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:13,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:13,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:16:13,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:16:13,729 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-12 00:16:13,730 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:16:13,730 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~q~0#1) = 2*ULTIMATE.start_main_~n~0#1 - 2*ULTIMATE.start_main_~q~0#1 + 3 Supporting invariants [1*ULTIMATE.start_main_~q~0#1 - 1 >= 0] [2024-10-12 00:16:13,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:13,752 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-12 00:16:13,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:13,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 00:16:13,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:13,835 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:16:13,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:16:13,869 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 [2024-10-12 00:16:13,871 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-10-12 00:16:13,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 21 states and 31 transitions. Complement of second has 4 states. [2024-10-12 00:16:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-12 00:16:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-10-12 00:16:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-10-12 00:16:13,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-12 00:16:13,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:13,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-12 00:16:13,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:13,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-12 00:16:13,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:13,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 31 transitions. [2024-10-12 00:16:13,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:13,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 8 states and 11 transitions. [2024-10-12 00:16:13,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-12 00:16:13,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-12 00:16:13,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-12 00:16:13,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:16:13,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:16:13,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-12 00:16:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-10-12 00:16:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2024-10-12 00:16:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2024-10-12 00:16:13,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-10-12 00:16:13,987 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-10-12 00:16:13,987 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:16:13,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2024-10-12 00:16:13,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:13,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:16:13,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:16:13,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:16:13,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:16:13,990 INFO L745 eck$LassoCheckResult]: Stem: 77#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 78#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 76#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 72#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 74#L53-2 [2024-10-12 00:16:13,990 INFO L747 eck$LassoCheckResult]: Loop: 74#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 75#L53 assume !(main_~r~0#1 >= main_~h~0#1); 74#L53-2 [2024-10-12 00:16:14,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:14,001 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2024-10-12 00:16:14,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:16:14,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944634238] [2024-10-12 00:16:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:16:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:16:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:14,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:16:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:14,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:16:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2024-10-12 00:16:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:16:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268927695] [2024-10-12 00:16:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:16:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:16:14,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:14,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:16:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:14,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:16:14,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2024-10-12 00:16:14,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:16:14,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449949288] [2024-10-12 00:16:14,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:16:14,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:16:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:16:14,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:16:14,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449949288] [2024-10-12 00:16:14,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449949288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:16:14,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:16:14,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:16:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704420300] [2024-10-12 00:16:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:16:14,504 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:16:14,504 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:16:14,504 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:16:14,504 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:16:14,505 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:16:14,505 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:14,505 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:16:14,505 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:16:14,505 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2024-10-12 00:16:14,505 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:16:14,505 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:16:14,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:14,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:14,832 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-12 00:16:15,766 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:16:15,768 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:16:15,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:15,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:15,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:16:15,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:16:15,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:16:15,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:16:15,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:15,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:15,876 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:15,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:16:15,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:16:15,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:16:18,017 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:16:18,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:16:18,032 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:16:18,032 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:16:18,033 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:16:18,033 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:16:18,033 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:16:18,033 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:18,033 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:16:18,033 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:16:18,033 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2024-10-12 00:16:18,033 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:16:18,036 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:16:18,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:18,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:18,287 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-12 00:16:19,145 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:16:19,146 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:16:19,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:16:19,153 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 [2024-10-12 00:16:19,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,171 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:16:19,196 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-12 00:16:19,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:16:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:16:19,242 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 [2024-10-12 00:16:19,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:19,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:16:19,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:16:19,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:19,272 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-12 00:16:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,276 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:16:19,278 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 [2024-10-12 00:16:19,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,292 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,292 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:19,313 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-12 00:16:19,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,338 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:16:19,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,361 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:16:19,367 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 [2024-10-12 00:16:19,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:19,380 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:19,381 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:16:19,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:19,396 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-12 00:16:19,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:16:19,400 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 [2024-10-12 00:16:19,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,413 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:19,439 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:19,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:19,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,490 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:16:19,494 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 [2024-10-12 00:16:19,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:19,506 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:19,507 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:16:19,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:16:19,527 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-12 00:16:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,529 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:16:19,536 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 [2024-10-12 00:16:19,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,550 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,550 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:19,594 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-12 00:16:19,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:19,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,663 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:16:19,666 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 [2024-10-12 00:16:19,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:19,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:19,678 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:19,679 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:16:19,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:19,695 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-12 00:16:19,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,697 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 00:16:19,699 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 [2024-10-12 00:16:19,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:19,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:19,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,712 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,712 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:19,733 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-12 00:16:19,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,793 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-12 00:16:19,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,814 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,818 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 [2024-10-12 00:16:19,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 00:16:19,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:19,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:19,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:19,832 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:19,835 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:16:19,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:19,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:19,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 00:16:19,855 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-12 00:16:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:19,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:19,858 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:19,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:16:19,871 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 [2024-10-12 00:16:19,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:19,885 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:16:19,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:19,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:19,885 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:19,885 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:19,920 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:19,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:20,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:20,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:20,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:20,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:20,176 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:20,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:16:20,179 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 [2024-10-12 00:16:20,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:20,191 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:16:20,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:20,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:20,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:20,191 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:20,192 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:16:20,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:20,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:20,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:20,213 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-12 00:16:20,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:20,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:20,215 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:20,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:16:20,218 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 [2024-10-12 00:16:20,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:20,231 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:16:20,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:20,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:20,231 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:20,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:20,271 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-12 00:16:20,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:21,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:21,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:21,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:21,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:21,588 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:21,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:16:21,589 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 [2024-10-12 00:16:21,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:21,603 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:16:21,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:21,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:21,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:21,603 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:21,604 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:16:21,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:21,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:21,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:21,623 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-12 00:16:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:21,625 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:21,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:16:21,627 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 [2024-10-12 00:16:21,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:21,639 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:21,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:21,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:21,639 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:21,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:21,665 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:21,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:21,759 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:16:21,906 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:16:21,906 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-12 00:16:21,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:21,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:21,909 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:21,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:16:21,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:16:21,922 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:16:21,922 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:16:21,923 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1) = Supporting invariants [] [2024-10-12 00:16:21,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-12 00:16:21,948 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:16:21,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:21,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:16:21,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:22,001 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:16:22,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:22,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 00:16:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:16:25,871 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 [2024-10-12 00:16:25,871 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 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) [2024-10-12 00:16:25,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 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 11 states and 16 transitions. Complement of second has 5 states. [2024-10-12 00:16:25,902 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 [2024-10-12 00:16:25,902 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) [2024-10-12 00:16:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-10-12 00:16:25,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:16:25,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:25,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:16:25,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:25,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-12 00:16:25,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:25,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2024-10-12 00:16:25,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:25,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2024-10-12 00:16:25,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-12 00:16:25,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:16:25,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2024-10-12 00:16:25,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:16:25,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2024-10-12 00:16:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2024-10-12 00:16:25,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-12 00:16:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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) [2024-10-12 00:16:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2024-10-12 00:16:25,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2024-10-12 00:16:25,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:16:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:16:25,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:16:25,910 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:16:25,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:16:25,932 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2024-10-12 00:16:25,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2024-10-12 00:16:25,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:25,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 12 transitions. [2024-10-12 00:16:25,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-12 00:16:25,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-12 00:16:25,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-10-12 00:16:25,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:16:25,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-12 00:16:25,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-10-12 00:16:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-12 00:16:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2024-10-12 00:16:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-10-12 00:16:25,935 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-12 00:16:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:16:25,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-12 00:16:25,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:16:25,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-10-12 00:16:25,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:25,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:16:25,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:16:25,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:16:25,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:16:25,937 INFO L745 eck$LassoCheckResult]: Stem: 160#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 159#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 154#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 156#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 162#L53 assume main_~r~0#1 >= main_~h~0#1;main_~p~0#1 := main_~p~0#1 + main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~h~0#1; 157#L53-2 [2024-10-12 00:16:25,937 INFO L747 eck$LassoCheckResult]: Loop: 157#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 158#L53 assume !(main_~r~0#1 >= main_~h~0#1); 157#L53-2 [2024-10-12 00:16:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash 889573581, now seen corresponding path program 1 times [2024-10-12 00:16:25,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:16:25,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467210123] [2024-10-12 00:16:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:16:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:16:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:16:26,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:16:26,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467210123] [2024-10-12 00:16:26,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467210123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:16:26,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:16:26,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 00:16:26,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487249622] [2024-10-12 00:16:26,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:16:26,012 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:16:26,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:26,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2024-10-12 00:16:26,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:16:26,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036655377] [2024-10-12 00:16:26,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:16:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:16:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:26,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:16:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:16:26,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:16:26,162 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:16:26,163 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:16:26,163 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:16:26,163 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:16:26,163 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:16:26,163 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:26,163 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:16:26,163 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:16:26,163 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2024-10-12 00:16:26,163 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:16:26,163 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:16:26,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:26,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:26,374 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-12 00:16:27,023 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:16:27,023 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:16:27,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:27,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:27,029 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:27,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:16:27,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:16:27,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:16:27,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:27,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:27,179 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:27,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:16:27,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:16:27,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:16:28,626 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:16:28,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:28,640 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:16:28,640 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:16:28,640 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:16:28,640 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:16:28,640 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:16:28,640 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:28,640 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:16:28,640 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:16:28,640 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2024-10-12 00:16:28,640 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:16:28,640 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:16:28,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:28,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:16:28,882 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-12 00:16:29,487 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:16:29,490 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:16:29,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,492 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:16:29,495 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 [2024-10-12 00:16:29,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,507 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:29,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:16:29,518 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-12 00:16:29,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-12 00:16:29,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,547 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:16:29,549 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 [2024-10-12 00:16:29,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:29,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:16:29,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:16:29,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,563 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:29,577 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-12 00:16:29,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,579 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:16:29,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:16:29,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,595 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:29,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:29,610 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-12 00:16:29,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-12 00:16:29,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,649 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:16:29,651 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 [2024-10-12 00:16:29,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:29,663 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:29,663 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:16:29,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,664 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:29,678 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-12 00:16:29,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,679 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:16:29,689 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 [2024-10-12 00:16:29,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,701 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:29,701 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:29,721 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:29,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,751 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:29,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,768 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 00:16:29,770 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 [2024-10-12 00:16:29,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:29,783 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:29,784 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:16:29,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-12 00:16:29,800 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-12 00:16:29,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,803 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 00:16:29,804 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 [2024-10-12 00:16:29,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,817 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:29,817 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:29,842 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-12 00:16:29,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,897 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 00:16:29,899 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 [2024-10-12 00:16:29,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:16:29,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:29,913 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:29,913 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:16:29,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:29,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:29,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-12 00:16:29,931 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-12 00:16:29,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:29,933 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:29,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 00:16:29,935 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 [2024-10-12 00:16:29,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:29,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:29,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:29,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:29,948 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:29,948 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:29,965 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-12 00:16:29,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:30,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:30,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-12 00:16:30,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:30,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:30,063 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:30,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 00:16:30,066 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 [2024-10-12 00:16:30,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:30,080 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:30,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:30,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:30,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:30,080 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-12 00:16:30,081 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-12 00:16:30,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:30,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:30,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:30,097 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-12 00:16:30,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:30,099 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:30,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 00:16:30,104 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 [2024-10-12 00:16:30,117 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:30,117 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:16:30,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:30,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:30,118 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:30,118 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:30,146 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:30,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:30,570 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:30,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:30,588 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:30,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 00:16:30,590 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 [2024-10-12 00:16:30,602 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:30,602 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-12 00:16:30,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:30,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:30,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:30,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:30,603 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-12 00:16:30,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:30,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:30,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-12 00:16:30,621 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-12 00:16:30,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:30,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:30,629 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:30,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 00:16:30,660 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 [2024-10-12 00:16:30,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:30,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:16:30,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:30,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:30,673 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:30,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:30,705 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-12 00:16:30,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:31,396 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:31,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-12 00:16:31,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:31,415 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:31,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-12 00:16:31,419 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 [2024-10-12 00:16:31,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:31,432 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-12 00:16:31,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:31,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:31,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:16:31,432 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-12 00:16:31,433 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-12 00:16:31,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:31,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:16:31,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:31,450 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-12 00:16:31,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:31,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:31,451 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:31,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-12 00:16:31,453 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 [2024-10-12 00:16:31,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-12 00:16:31,465 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-12 00:16:31,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:16:31,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:16:31,465 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-12 00:16:31,465 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-12 00:16:31,483 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-12 00:16:31,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:16:31,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:16:31,687 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:16:31,688 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-12 00:16:31,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:16:31,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:16:31,689 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:16:31,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-12 00:16:31,690 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:16:31,691 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:16:31,691 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:16:31,691 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~q~0#1) = Supporting invariants [] [2024-10-12 00:16:31,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:31,710 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:16:31,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:16:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:31,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:16:31,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:16:31,755 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:16:31,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:16:32,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-12 00:16:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:16:35,174 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 [2024-10-12 00:16:35,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 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) [2024-10-12 00:16:35,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. 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 13 states and 18 transitions. Complement of second has 5 states. [2024-10-12 00:16:35,206 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 [2024-10-12 00:16:35,207 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) [2024-10-12 00:16:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-10-12 00:16:35,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-12 00:16:35,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:35,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-12 00:16:35,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:35,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-12 00:16:35,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:16:35,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-10-12 00:16:35,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:16:35,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-10-12 00:16:35,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-12 00:16:35,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-12 00:16:35,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-10-12 00:16:35,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:16:35,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-12 00:16:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-10-12 00:16:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-12 00:16:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-10-12 00:16:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-10-12 00:16:35,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-12 00:16:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:16:35,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:16:35,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:16:35,218 INFO L87 Difference]: Start difference. First operand 13 states and 18 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) [2024-10-12 00:16:35,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:16:35,225 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2024-10-12 00:16:35,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2024-10-12 00:16:35,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:16:35,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2024-10-12 00:16:35,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:16:35,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:16:35,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:16:35,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:16:35,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:16:35,225 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:16:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:16:35,226 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:16:35,226 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:16:35,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:16:35,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:16:35,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:16:35,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:16:35 BoogieIcfgContainer [2024-10-12 00:16:35,234 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:16:35,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:16:35,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:16:35,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:16:35,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:15:59" (3/4) ... [2024-10-12 00:16:35,237 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:16:35,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:16:35,238 INFO L158 Benchmark]: Toolchain (without parser) took 36587.51ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 73.3MB in the beginning and 80.0MB in the end (delta: -6.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,238 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 144.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:16:35,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.85ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 62.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.98ms. Allocated memory is still 144.7MB. Free memory was 62.0MB in the beginning and 60.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,239 INFO L158 Benchmark]: Boogie Preprocessor took 26.93ms. Allocated memory is still 144.7MB. Free memory was 60.7MB in the beginning and 59.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,239 INFO L158 Benchmark]: RCFGBuilder took 315.35ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 59.0MB in the beginning and 175.1MB in the end (delta: -116.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,239 INFO L158 Benchmark]: BuchiAutomizer took 35990.24ms. Allocated memory is still 207.6MB. Free memory was 174.0MB in the beginning and 81.0MB in the end (delta: 93.0MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,240 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 207.6MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:16:35,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 144.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.85ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 62.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.98ms. Allocated memory is still 144.7MB. Free memory was 62.0MB in the beginning and 60.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.93ms. Allocated memory is still 144.7MB. Free memory was 60.7MB in the beginning and 59.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.35ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 59.0MB in the beginning and 175.1MB in the end (delta: -116.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 35990.24ms. Allocated memory is still 207.6MB. Free memory was 174.0MB in the beginning and 81.0MB in the end (delta: 93.0MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 207.6MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((((long long) -2 * q) + ((long long) 2 * n)) + 3) and consists of 3 locations. One deterministic module has 2-lex ranking function (((((long long) -38 * p) + ((long long) -19 * q)) + 2) + ((long long) 19 * r)), (((long long) -3 * q) + ((long long) -4 * p)) and consists of 3 locations. One deterministic module has 2-lex ranking function (((((long long) 14 * r) + ((long long) -14 * q)) + ((long long) -28 * p)) + 1), (((long long) -3 * q) + ((long long) -4 * p)) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 28.1s. Construction of modules took 0.0s. Büchi inclusion checks took 7.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 25 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital67 mio100 ax100 hnf100 lsp144 ukn75 mio100 lsp100 div189 bol100 ite100 ukn100 eq146 hnf96 smp68 dnf2186 smp41 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 118ms VariablesStem: 0 VariablesLoop: 9 DisjunctsStem: 1 DisjunctsLoop: 8 SupportingInvariants: 0 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 17.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:16:35,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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