./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:04:54,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:04:54,831 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:04:54,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:04:54,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:04:54,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:04:54,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:04:54,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:04:54,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:04:54,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:04:54,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:04:54,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:04:54,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:04:54,868 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:04:54,868 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:04:54,869 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:04:54,869 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:04:54,869 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:04:54,870 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:04:54,870 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:04:54,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:04:54,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:04:54,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:04:54,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:04:54,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:04:54,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:04:54,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:04:54,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:04:54,877 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:04:54,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:04:54,877 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:04:54,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:04:54,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:04:54,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:04:54,879 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:04:54,880 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2024-11-17 08:04:55,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:04:55,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:04:55,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:04:55,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:04:55,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:04:55,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2024-11-17 08:04:56,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:04:56,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:04:56,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2024-11-17 08:04:56,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b66f52ed/e512418f97e646e8852c2b1cad0f0515/FLAG41bf5353f [2024-11-17 08:04:56,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b66f52ed/e512418f97e646e8852c2b1cad0f0515 [2024-11-17 08:04:56,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:04:56,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:04:56,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:56,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:04:56,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:04:56,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:56,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c91551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56, skipping insertion in model container [2024-11-17 08:04:56,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:56,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:04:56,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:56,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:04:56,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:56,979 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:04:56,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56 WrapperNode [2024-11-17 08:04:56,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:56,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:56,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:04:56,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:04:56,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:56,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,010 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-17 08:04:57,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:57,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:04:57,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:04:57,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:04:57,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,034 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 08:04:57,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:04:57,045 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:04:57,045 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:04:57,045 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:04:57,046 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (1/1) ... [2024-11-17 08:04:57,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:57,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:57,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:57,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:04:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:04:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:04:57,178 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:04:57,181 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:04:57,301 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-17 08:04:57,301 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:04:57,311 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:04:57,311 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:04:57,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:57 BoogieIcfgContainer [2024-11-17 08:04:57,312 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:04:57,313 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:04:57,313 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:04:57,318 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:04:57,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:57,319 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:04:56" (1/3) ... [2024-11-17 08:04:57,320 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b8f9c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:57, skipping insertion in model container [2024-11-17 08:04:57,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:57,320 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:56" (2/3) ... [2024-11-17 08:04:57,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b8f9c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:57, skipping insertion in model container [2024-11-17 08:04:57,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:57,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:57" (3/3) ... [2024-11-17 08:04:57,326 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2024-11-17 08:04:57,400 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:04:57,401 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:04:57,401 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:04:57,401 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:04:57,401 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:04:57,401 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:04:57,402 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:04:57,403 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:04:57,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:57,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-17 08:04:57,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:57,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:57,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:04:57,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:57,430 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:04:57,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:57,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-17 08:04:57,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:57,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:57,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:04:57,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:57,440 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#ULTIMATE.init_returnLabel#1true assume true;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; 7#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; 10#L32true [2024-11-17 08:04:57,440 INFO L747 eck$LassoCheckResult]: Loop: 10#L32true assume true; 6#L32-1true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 10#L32true [2024-11-17 08:04:57,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:57,446 INFO L85 PathProgramCache]: Analyzing trace with hash 52597, now seen corresponding path program 1 times [2024-11-17 08:04:57,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:57,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78735232] [2024-11-17 08:04:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:57,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:57,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:57,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1440, now seen corresponding path program 1 times [2024-11-17 08:04:57,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:57,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126025286] [2024-11-17 08:04:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:57,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:57,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:57,607 INFO L85 PathProgramCache]: Analyzing trace with hash 50546196, now seen corresponding path program 1 times [2024-11-17 08:04:57,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:57,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995135854] [2024-11-17 08:04:57,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:57,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:57,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:57,756 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:57,757 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:57,757 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:57,758 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:57,758 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:57,758 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:57,758 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:57,758 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:57,759 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-11-17 08:04:57,759 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:57,759 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:57,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:57,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:57,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:57,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:57,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:57,901 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:57,902 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:57,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:57,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:57,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:57,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:04:57,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:57,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:57,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:57,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:57,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:04:57,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:04:57,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:57,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:05:10,068 INFO L403 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2024-11-17 08:05:10,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:05:10,097 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:05:10,097 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:05:10,097 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:05:10,098 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:05:10,098 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:05:10,098 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:05:10,098 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:05:10,098 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:05:10,098 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-11-17 08:05:10,098 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:05:10,098 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:05:10,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:05:10,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:05:10,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:05:10,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:05:10,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:05:10,187 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:05:10,191 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:05:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:05:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:05:10,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:05:10,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:05:10,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:05:10,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:05:10,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:05:10,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:05:10,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:05:10,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:05:10,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:05:10,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:05:10,254 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-17 08:05:10,254 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:05:10,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:05:10,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:05:10,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:05:10,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:05:10,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:05:10,300 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-17 08:05:10,301 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:05:10,301 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] [2024-11-17 08:05:10,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-17 08:05:10,327 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-17 08:05:10,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:05:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:05:10,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 08:05:10,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:05:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:05:10,403 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:05:10,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:05:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:05:10,456 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:05:10,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:05:10,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 24 states and 32 transitions. Complement of second has 6 states. [2024-11-17 08:05:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:05:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:05:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-17 08:05:10,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-17 08:05:10,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:05:10,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-17 08:05:10,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:05:10,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-17 08:05:10,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:05:10,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2024-11-17 08:05:10,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:05:10,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 10 states and 13 transitions. [2024-11-17 08:05:10,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-17 08:05:10,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-17 08:05:10,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-11-17 08:05:10,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:05:10,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:05:10,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-11-17 08:05:10,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-17 08:05:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:05:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-11-17 08:05:10,540 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:05:10,541 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:05:10,541 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:05:10,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-11-17 08:05:10,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:05:10,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:05:10,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:05:10,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-17 08:05:10,542 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:05:10,543 INFO L745 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 84#ULTIMATE.init_returnLabel#1 assume true;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; 85#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; 90#L32 assume true; 86#L32-1 assume !(main_~q~0#1 <= main_~n~0#1); 87#L39 [2024-11-17 08:05:10,544 INFO L747 eck$LassoCheckResult]: Loop: 87#L39 assume true; 91#L39-1 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); 92#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; 87#L39 [2024-11-17 08:05:10,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:05:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash 50546194, now seen corresponding path program 1 times [2024-11-17 08:05:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:05:10,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806186692] [2024-11-17 08:05:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:05:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:05:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:05:10,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:05:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:05:10,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:05:10,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:05:10,559 INFO L85 PathProgramCache]: Analyzing trace with hash 38691, now seen corresponding path program 1 times [2024-11-17 08:05:10,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:05:10,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418623430] [2024-11-17 08:05:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:05:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:05:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:05:10,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:05:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:05:10,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:05:10,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:05:10,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1711846542, now seen corresponding path program 1 times [2024-11-17 08:05:10,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:05:10,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912354160] [2024-11-17 08:05:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:05:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:05:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:05:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:05:10,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:05:10,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912354160] [2024-11-17 08:05:10,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912354160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:05:10,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:05:10,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:05:10,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069714957] [2024-11-17 08:05:10,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:05:10,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:05:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 08:05:10,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 08:05:10,922 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:05:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:05:10,935 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-11-17 08:05:10,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-11-17 08:05:10,935 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:05:10,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-11-17 08:05:10,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:05:10,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:05:10,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:05:10,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:05:10,936 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:05:10,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:05:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 08:05:10,937 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:05:10,937 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:05:10,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:05:10,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:05:10,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:05:10,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:05:10 BoogieIcfgContainer [2024-11-17 08:05:10,945 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:05:10,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:05:10,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:05:10,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:05:10,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:57" (3/4) ... [2024-11-17 08:05:10,948 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:05:10,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:05:10,950 INFO L158 Benchmark]: Toolchain (without parser) took 14191.62ms. Allocated memory is still 186.6MB. Free memory was 117.8MB in the beginning and 74.8MB in the end (delta: 43.0MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,950 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:05:10,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.43ms. Allocated memory is still 186.6MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.09ms. Allocated memory is still 186.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,952 INFO L158 Benchmark]: Boogie Preprocessor took 32.70ms. Allocated memory is still 186.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,952 INFO L158 Benchmark]: IcfgBuilder took 267.26ms. Allocated memory is still 186.6MB. Free memory was 103.3MB in the beginning and 154.4MB in the end (delta: -51.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,952 INFO L158 Benchmark]: BuchiAutomizer took 13632.19ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 75.5MB in the end (delta: 79.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-11-17 08:05:10,953 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 186.6MB. Free memory was 75.5MB in the beginning and 74.8MB in the end (delta: 719.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:05:10,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.43ms. Allocated memory is still 186.6MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.09ms. Allocated memory is still 186.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.70ms. Allocated memory is still 186.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 267.26ms. Allocated memory is still 186.6MB. Free memory was 103.3MB in the beginning and 154.4MB in the end (delta: -51.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 13632.19ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 75.5MB in the end (delta: 79.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 186.6MB. Free memory was 75.5MB in the beginning and 74.8MB in the end (delta: 719.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((((long long) -2 * q) + ((long long) 2 * n)) + 3) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 108ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:05:10,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-17 08:05:11,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE