./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:52:29,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:52:29,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:52:29,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:52:29,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:52:29,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:52:29,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:52:29,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:52:29,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:52:29,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:52:29,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:52:29,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:52:29,607 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:52:29,607 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:52:29,607 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:52:29,608 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:52:29,611 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:52:29,613 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:52:29,613 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:52:29,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:52:29,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:52:29,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:52:29,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:52:29,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:52:29,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:52:29,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:52:29,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:52:29,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:52:29,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:52:29,618 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:52:29,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:52:29,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:52:29,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:52:29,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:52:29,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:52:29,619 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:52:29,620 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 [2024-11-12 20:52:29,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:52:29,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:52:29,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:52:29,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:52:29,891 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:52:29,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2024-11-12 20:52:31,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:52:31,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:52:31,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2024-11-12 20:52:31,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4890bc3a2/74e9e9d3a09046c0ba86661116d957ce/FLAGd2179aea7 [2024-11-12 20:52:31,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4890bc3a2/74e9e9d3a09046c0ba86661116d957ce [2024-11-12 20:52:31,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:52:31,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:52:31,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:52:31,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:52:31,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:52:31,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@866112d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31, skipping insertion in model container [2024-11-12 20:52:31,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:52:31,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:52:31,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:52:31,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:52:31,926 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:52:31,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31 WrapperNode [2024-11-12 20:52:31,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:52:31,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:52:31,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:52:31,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:52:31,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,949 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-12 20:52:31,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:52:31,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:52:31,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:52:31,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:52:31,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,965 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:52:31,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:52:31,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:52:31,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:52:31,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:52:31,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (1/1) ... [2024-11-12 20:52:31,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:32,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:32,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 20:52:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:52:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:52:32,169 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:52:32,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:52:32,271 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-12 20:52:32,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:52:32,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:52:32,284 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 20:52:32,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:52:32 BoogieIcfgContainer [2024-11-12 20:52:32,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:52:32,287 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:52:32,288 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:52:32,291 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:52:32,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:52:32,292 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:52:31" (1/3) ... [2024-11-12 20:52:32,293 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66944d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:52:32, skipping insertion in model container [2024-11-12 20:52:32,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:52:32,294 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:31" (2/3) ... [2024-11-12 20:52:32,294 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66944d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:52:32, skipping insertion in model container [2024-11-12 20:52:32,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:52:32,294 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:52:32" (3/3) ... [2024-11-12 20:52:32,296 INFO L332 chiAutomizerObserver]: Analyzing ICFG Pure2Phase-1.c [2024-11-12 20:52:32,351 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:52:32,352 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:52:32,352 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:52:32,352 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:52:32,353 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:52:32,353 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:52:32,353 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:52:32,354 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:52:32,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) 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) [2024-11-12 20:52:32,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:52:32,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:52:32,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:52:32,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-12 20:52:32,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:52:32,387 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:52:32,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) 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) [2024-11-12 20:52:32,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:52:32,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:52:32,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:52:32,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-12 20:52:32,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:52:32,399 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823);" "assume !!(main_~z~0#1 <= 1073741823);" [2024-11-12 20:52:32,400 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1;" [2024-11-12 20:52:32,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:32,406 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-11-12 20:52:32,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:32,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169500273] [2024-11-12 20:52:32,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:32,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,483 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:32,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:32,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 1 times [2024-11-12 20:52:32,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:32,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261838009] [2024-11-12 20:52:32,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:32,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:32,537 INFO L85 PathProgramCache]: Analyzing trace with hash 889571474, now seen corresponding path program 1 times [2024-11-12 20:52:32,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:32,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428043100] [2024-11-12 20:52:32,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:32,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:32,661 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:32,662 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:32,662 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:32,662 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:32,662 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:52:32,662 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:32,662 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:32,662 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:32,663 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2024-11-12 20:52:32,663 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:32,663 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:32,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,801 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:32,801 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:52:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:32,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:32,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-12 20:52:32,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:32,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:32,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:32,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:32,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:32,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-12 20:52:32,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:52:32,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:32,878 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:52:32,887 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 [2024-11-12 20:52:32,888 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:32,888 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:32,888 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:32,889 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:32,889 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:52:32,889 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:32,890 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:32,890 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:32,890 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2024-11-12 20:52:32,890 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:32,890 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:32,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:32,975 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:32,980 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:52:32,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:32,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:32,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:32,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-12 20:52:32,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:33,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:33,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:33,009 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:52:33,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:52:33,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:52:33,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-12 20:52:33,039 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:52:33,039 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:52:33,040 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:52:33,040 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2024-11-12 20:52:33,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:33,055 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:52:33,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:33,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:33,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:33,126 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 [2024-11-12 20:52:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:33,135 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:33,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:33,187 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:33,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:33,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) 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). 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 23 states and 32 transitions. Complement of second has 6 states. [2024-11-12 20:52:33,230 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 [2024-11-12 20:52:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-12 20:52:33,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-12 20:52:33,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:33,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-12 20:52:33,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:33,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-12 20:52:33,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:33,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2024-11-12 20:52:33,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:52:33,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 11 states and 14 transitions. [2024-11-12 20:52:33,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-12 20:52:33,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-12 20:52:33,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-12 20:52:33,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:52:33,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-12 20:52:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-12 20:52:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-12 20:52:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-12 20:52:33,291 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-12 20:52:33,291 INFO L426 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-12 20:52:33,292 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:52:33,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-12 20:52:33,305 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:52:33,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:52:33,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:52:33,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:52:33,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 20:52:33,310 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823);" "assume !!(main_~z~0#1 <= 1073741823);" "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~y~0#1 >= 0;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" [2024-11-12 20:52:33,310 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~z~0#1 <= 1073741823);" "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~y~0#1 >= 0;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" [2024-11-12 20:52:33,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash 889571467, now seen corresponding path program 1 times [2024-11-12 20:52:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543568688] [2024-11-12 20:52:33,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,324 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:33,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:33,329 INFO L85 PathProgramCache]: Analyzing trace with hash 58335, now seen corresponding path program 1 times [2024-11-12 20:52:33,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:33,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621818964] [2024-11-12 20:52:33,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:33,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:33,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:33,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385621, now seen corresponding path program 1 times [2024-11-12 20:52:33,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:33,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384607181] [2024-11-12 20:52:33,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,354 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:33,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:33,391 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:33,391 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:33,391 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:33,391 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:33,391 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:52:33,391 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,391 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:33,391 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:33,392 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2024-11-12 20:52:33,392 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:33,392 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:33,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,466 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:33,467 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:52:33,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-12 20:52:33,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:33,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,499 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:33,499 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:52:33,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 20:52:33,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-12 20:52:33,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:33,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,542 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:33,542 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:52:33,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-12 20:52:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,554 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-12 20:52:33,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:33,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,567 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:33,567 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:52:33,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-12 20:52:33,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:33,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,594 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:33,595 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=0} Honda state: {ULTIMATE.start_main_~z~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:52:33,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 20:52:33,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,608 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-12 20:52:33,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:33,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-12 20:52:33,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,632 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-12 20:52:33,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:52:33,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:33,704 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:52:33,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:33,709 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:33,709 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:33,709 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:33,709 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:33,709 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:52:33,709 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,709 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:33,709 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:33,709 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2024-11-12 20:52:33,709 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:33,709 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:33,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:33,780 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:33,780 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:52:33,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,783 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-12 20:52:33,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:52:33,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:52:33,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:33,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-12 20:52:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,828 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-12 20:52:33,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:52:33,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:52:33,853 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:33,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:33,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 20:52:33,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:33,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:33,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:33,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:33,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-12 20:52:33,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-12 20:52:33,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:33,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:33,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:33,939 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:33,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-12 20:52:33,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,957 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 20:52:33,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:33,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:33,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:33,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:33,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:33,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:33,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:33,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:33,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:52:33,983 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-12 20:52:33,983 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:52:33,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:33,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:33,985 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:33,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 20:52:33,986 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:52:33,987 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:52:33,987 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:52:33,987 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-12 20:52:33,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:33,999 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:52:34,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:34,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:34,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:34,041 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:34,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:34,128 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:34,128 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 6 states. [2024-11-12 20:52:34,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:52:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-12 20:52:34,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-12 20:52:34,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-12 20:52:34,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2024-11-12 20:52:34,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2024-11-12 20:52:34,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:52:34,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2024-11-12 20:52:34,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-12 20:52:34,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-12 20:52:34,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-11-12 20:52:34,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:52:34,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-12 20:52:34,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-11-12 20:52:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2024-11-12 20:52:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-12 20:52:34,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-12 20:52:34,163 INFO L426 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-12 20:52:34,164 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:52:34,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2024-11-12 20:52:34,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:52:34,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:52:34,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:52:34,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:52:34,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:52:34,165 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823);" "assume !!(main_~z~0#1 <= 1073741823);" "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~y~0#1 >= 0;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~z~0#1 <= 1073741823);" [2024-11-12 20:52:34,165 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1;" [2024-11-12 20:52:34,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1806911730, now seen corresponding path program 2 times [2024-11-12 20:52:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59652734] [2024-11-12 20:52:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,171 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 2 times [2024-11-12 20:52:34,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675948593] [2024-11-12 20:52:34,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,180 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385628, now seen corresponding path program 1 times [2024-11-12 20:52:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951346555] [2024-11-12 20:52:34,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,198 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,231 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:34,232 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:34,232 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:34,232 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:34,232 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:52:34,232 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,232 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:34,232 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:34,232 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2024-11-12 20:52:34,232 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:34,232 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:34,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,293 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:34,293 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:52:34,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,295 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-12 20:52:34,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:34,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,319 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:34,320 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:52:34,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-12 20:52:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,335 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-12 20:52:34,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:34,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-12 20:52:34,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,367 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-12 20:52:34,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:52:34,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,449 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:52:34,449 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=-8} Honda state: {ULTIMATE.start_main_~y~0#1=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=0}, {ULTIMATE.start_main_~y~0#1=0}, {ULTIMATE.start_main_~y~0#1=-1}] Lambdas: [3, 0, 1] Nus: [1, 0] [2024-11-12 20:52:34,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-12 20:52:34,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,466 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-12 20:52:34,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:34,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:34,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,499 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-12 20:52:34,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:52:34,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,536 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:52:34,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:34,542 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:34,542 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:34,542 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:34,542 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:34,542 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:52:34,542 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,543 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:34,543 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:34,543 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2024-11-12 20:52:34,543 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:34,543 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:34,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,607 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:34,607 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:52:34,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,612 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-12 20:52:34,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:34,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:34,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:34,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:34,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:34,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:34,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:34,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:34,636 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:34,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-12 20:52:34,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,654 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-12 20:52:34,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:34,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:34,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:34,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:34,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:34,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:52:34,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:52:34,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:52:34,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:34,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,692 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-12 20:52:34,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:34,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:34,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:34,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:34,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:34,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:34,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:34,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:34,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:52:34,717 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:52:34,717 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:52:34,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,720 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-12 20:52:34,721 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:52:34,722 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:52:34,722 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:52:34,722 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2024-11-12 20:52:34,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-12 20:52:34,738 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:52:34,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:34,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:34,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:34,769 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:34,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:34,785 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:34,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 5 states. [2024-11-12 20:52:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:52:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-12 20:52:34,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-12 20:52:34,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-12 20:52:34,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-12 20:52:34,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:34,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-11-12 20:52:34,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:52:34,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 22 transitions. [2024-11-12 20:52:34,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-12 20:52:34,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-12 20:52:34,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2024-11-12 20:52:34,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:52:34,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 20:52:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2024-11-12 20:52:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-12 20:52:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-12 20:52:34,811 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 20:52:34,811 INFO L426 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 20:52:34,811 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 20:52:34,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-11-12 20:52:34,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-12 20:52:34,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:52:34,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:52:34,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-12 20:52:34,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:52:34,813 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823);" "assume !!(main_~z~0#1 <= 1073741823);" "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~y~0#1 >= 0;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~z~0#1 <= 1073741823);" "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume main_~y~0#1 >= 0;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~z~0#1 <= 1073741823);" [2024-11-12 20:52:34,813 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1;" "assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1;" [2024-11-12 20:52:34,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,813 INFO L85 PathProgramCache]: Analyzing trace with hash 882248616, now seen corresponding path program 3 times [2024-11-12 20:52:34,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546597562] [2024-11-12 20:52:34,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 3 times [2024-11-12 20:52:34,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981910103] [2024-11-12 20:52:34,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:34,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1732363346, now seen corresponding path program 2 times [2024-11-12 20:52:34,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:52:34,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896050803] [2024-11-12 20:52:34,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:52:34,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:52:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:52:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:52:34,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:52:34,878 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:34,878 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:34,878 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:34,878 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:34,878 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:52:34,878 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,879 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:34,879 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:34,879 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2024-11-12 20:52:34,879 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:34,879 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:34,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:34,958 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:34,958 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:52:34,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:34,965 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:34,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:52:34,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:34,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-12 20:52:34,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-12 20:52:35,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-12 20:52:35,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:35,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:35,032 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:35,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-12 20:52:35,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:52:35,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:52:35,072 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:52:35,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:35,076 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:52:35,076 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:52:35,076 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:52:35,076 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:52:35,076 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:52:35,076 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:35,076 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:52:35,076 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:52:35,076 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2024-11-12 20:52:35,076 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:52:35,076 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:52:35,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:35,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:35,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:35,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:52:35,142 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:52:35,143 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:52:35,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:35,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:35,144 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:35,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-12 20:52:35,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 20:52:35,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:52:35,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:52:35,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:52:35,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:52:35,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:52:35,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:52:35,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:52:35,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:52:35,166 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:52:35,166 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 20:52:35,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:52:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:52:35,168 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:52:35,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-12 20:52:35,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:52:35,171 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:52:35,172 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:52:35,172 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2024-11-12 20:52:35,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-12 20:52:35,187 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:52:35,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,226 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:35,242 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:35,242 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,257 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 5 states. [2024-11-12 20:52:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:52:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-12 20:52:35,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-12 20:52:35,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:35,259 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:52:35,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,300 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:35,312 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:35,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,333 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 5 states. [2024-11-12 20:52:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:52:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-12 20:52:35,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-12 20:52:35,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:35,335 INFO L683 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-12 20:52:35,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:52:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:52:35,375 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:52:35,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:52:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:52:35,392 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 20:52:35,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 28 transitions. Complement of second has 4 states. [2024-11-12 20:52:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 20:52:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:52:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-12 20:52:35,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-12 20:52:35,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:35,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-12 20:52:35,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:35,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-12 20:52:35,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:52:35,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-11-12 20:52:35,412 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:52:35,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2024-11-12 20:52:35,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:52:35,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:52:35,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:52:35,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:52:35,412 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:52:35,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:52:35,412 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:52:35,412 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 20:52:35,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:52:35,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:52:35,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:52:35,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:52:35 BoogieIcfgContainer [2024-11-12 20:52:35,426 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:52:35,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:52:35,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:52:35,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:52:35,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:52:32" (3/4) ... [2024-11-12 20:52:35,430 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:52:35,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:52:35,431 INFO L158 Benchmark]: Toolchain (without parser) took 3726.53ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 116.8MB in the end (delta: 28.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,432 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:52:35,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.18ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.26ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 131.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,434 INFO L158 Benchmark]: Boogie Preprocessor took 26.93ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 130.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,435 INFO L158 Benchmark]: RCFGBuilder took 307.72ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 121.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,435 INFO L158 Benchmark]: BuchiAutomizer took 3138.84ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 116.8MB in the end (delta: 4.1MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-12 20:52:35,435 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 176.2MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:52:35,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.18ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.26ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 131.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.93ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 130.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.72ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 121.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3138.84ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 116.8MB in the end (delta: 4.1MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 176.2MB. Free memory is still 116.8MB. 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) 2 * z) + 1) and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function (((long) 2 * z) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) 2 * z) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 53 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 20:52:35,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-12 20:52:35,661 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