./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gj2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/gj2007.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:34:31,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:34:31,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:34:31,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:34:31,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:34:31,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:34:31,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:34:31,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:34:31,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:34:31,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:34:31,819 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:34:31,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:34:31,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:34:31,824 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:34:31,824 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:34:31,825 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:34:31,825 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:34:31,825 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:34:31,825 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:34:31,826 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:34:31,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:34:31,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:34:31,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:34:31,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:34:31,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:34:31,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:34:31,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:34:31,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:34:31,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:34:31,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:34:31,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:34:31,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:34:31,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:34:31,830 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:34:31,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:34:31,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:34:31,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:34:31,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:34:31,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:34:31,832 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:34:31,832 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 [2024-11-17 08:34:32,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:34:32,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:34:32,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:34:32,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:34:32,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:34:32,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007.i [2024-11-17 08:34:33,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:34:33,799 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:34:33,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.i [2024-11-17 08:34:33,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6630174/5997fd507f45408eb0cb9cbd8d905af5/FLAGa7ba01ed5 [2024-11-17 08:34:33,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6630174/5997fd507f45408eb0cb9cbd8d905af5 [2024-11-17 08:34:33,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:34:33,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:34:33,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:33,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:34:33,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:34:33,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:33" (1/1) ... [2024-11-17 08:34:33,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f2952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:33, skipping insertion in model container [2024-11-17 08:34:33,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:33" (1/1) ... [2024-11-17 08:34:33,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:34:34,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:34,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:34:34,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:34,126 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:34:34,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34 WrapperNode [2024-11-17 08:34:34,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:34,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:34,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:34:34,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:34:34,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,157 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 28 [2024-11-17 08:34:34,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:34,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:34:34,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:34:34,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:34:34,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,176 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:34:34,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,178 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:34:34,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:34:34,189 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:34:34,190 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:34:34,190 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (1/1) ... [2024-11-17 08:34:34,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:34,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:34:34,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:34:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:34:34,353 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:34:34,355 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:34:34,458 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-17 08:34:34,458 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:34:34,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:34:34,474 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:34:34,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:34 BoogieIcfgContainer [2024-11-17 08:34:34,475 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:34:34,476 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:34:34,477 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:34:34,480 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:34:34,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:34,483 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:34:33" (1/3) ... [2024-11-17 08:34:34,484 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bc9e379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:34, skipping insertion in model container [2024-11-17 08:34:34,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:34,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:34" (2/3) ... [2024-11-17 08:34:34,484 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bc9e379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:34, skipping insertion in model container [2024-11-17 08:34:34,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:34,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:34" (3/3) ... [2024-11-17 08:34:34,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG gj2007.i [2024-11-17 08:34:34,551 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:34:34,551 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:34:34,552 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:34:34,552 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:34:34,553 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:34:34,553 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:34:34,553 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:34:34,553 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:34:34,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:34,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:34:34,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:34,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:34,578 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:34:34,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:34:34,578 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:34:34,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:34,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:34:34,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:34,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:34,581 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:34:34,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:34:34,588 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~x~0#1, main_~y~0#1;main_~x~0#1 := 0;main_~y~0#1 := 50; 5#L27true [2024-11-17 08:34:34,589 INFO L747 eck$LassoCheckResult]: Loop: 5#L27true assume true; 12#L27-1true assume !!(main_~x~0#1 < 100); 11#L28true assume main_~x~0#1 < 50;main_~x~0#1 := 1 + main_~x~0#1; 5#L27true [2024-11-17 08:34:34,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:34,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 1 times [2024-11-17 08:34:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:34,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319029645] [2024-11-17 08:34:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:34,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:34,720 INFO L85 PathProgramCache]: Analyzing trace with hash 44651, now seen corresponding path program 1 times [2024-11-17 08:34:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:34,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518428576] [2024-11-17 08:34:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:34,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:34,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:34,734 INFO L85 PathProgramCache]: Analyzing trace with hash 45773836, now seen corresponding path program 1 times [2024-11-17 08:34:34,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546881139] [2024-11-17 08:34:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:34,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:34,821 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:34,822 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:34,822 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:34,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:34,822 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:34,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,823 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:34,823 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:34,823 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2024-11-17 08:34:34,823 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:34,823 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:34,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:34,873 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:34,873 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:34,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:34,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:34:34,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:34:34,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:34,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:34,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:34,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:34,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:34:34,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:34:34,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:34,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:34,940 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:34,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:34,945 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:34,945 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:34,945 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:34,945 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:34,945 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:34,945 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,946 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:34,946 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:34,946 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2024-11-17 08:34:34,946 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:34,946 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:34,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:34,977 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:34,981 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:34,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:34,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:34:34,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:34:34,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:34:35,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:35,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:35,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:35,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:35,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:35,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:35,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:35,012 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:35,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:35,019 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:34:35,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,022 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:34:35,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:34:35,045 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:35,045 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:35,046 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:35,046 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 99 Supporting invariants [] [2024-11-17 08:34:35,059 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 [2024-11-17 08:34:35,063 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:35,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:35,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:35,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:35,129 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:35,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:35,177 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:34:35,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:35,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 39 transitions. Complement of second has 6 states. [2024-11-17 08:34:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-11-17 08:34:35,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-17 08:34:35,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-17 08:34:35,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-17 08:34:35,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 39 transitions. [2024-11-17 08:34:35,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:34:35,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 11 states and 14 transitions. [2024-11-17 08:34:35,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-17 08:34:35,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-17 08:34:35,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-17 08:34:35,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:35,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:34:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-17 08:34:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-17 08:34:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-11-17 08:34:35,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:34:35,255 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-17 08:34:35,255 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:34:35,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-11-17 08:34:35,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-17 08:34:35,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:35,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:35,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:34:35,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:34:35,257 INFO L745 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 82#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~x~0#1, main_~y~0#1;main_~x~0#1 := 0;main_~y~0#1 := 50; 83#L27 assume true; 85#L27-1 [2024-11-17 08:34:35,258 INFO L747 eck$LassoCheckResult]: Loop: 85#L27-1 assume !!(main_~x~0#1 < 100); 88#L28 assume !(main_~x~0#1 < 50);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1 + main_~y~0#1; 84#L27 assume true; 85#L27-1 [2024-11-17 08:34:35,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:35,258 INFO L85 PathProgramCache]: Analyzing trace with hash 47631, now seen corresponding path program 1 times [2024-11-17 08:34:35,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:35,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907075742] [2024-11-17 08:34:35,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:35,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:35,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:35,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash 43632, now seen corresponding path program 1 times [2024-11-17 08:34:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720923121] [2024-11-17 08:34:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:35,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:35,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:35,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:35,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1418988962, now seen corresponding path program 1 times [2024-11-17 08:34:35,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:35,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454751191] [2024-11-17 08:34:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:35,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:35,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:35,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454751191] [2024-11-17 08:34:35,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454751191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:35,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:35,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:34:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604997541] [2024-11-17 08:34:35,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:35,388 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:35,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:35,389 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:35,389 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:35,389 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:35,389 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,389 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:35,390 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:35,390 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2024-11-17 08:34:35,390 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:35,390 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:35,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:35,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:35,448 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:35,448 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:35,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,451 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) [2024-11-17 08:34:35,452 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 [2024-11-17 08:34:35,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:35,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:35,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:35,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,483 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) [2024-11-17 08:34:35,484 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 [2024-11-17 08:34:35,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:35,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:35,515 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:35,516 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=6}, {ULTIMATE.start_main_~y~0#1=2}, {ULTIMATE.start_main_~y~0#1=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-11-17 08:34:35,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:35,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,528 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) [2024-11-17 08:34:35,530 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 [2024-11-17 08:34:35,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:35,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:35,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-17 08:34:35,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,567 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) [2024-11-17 08:34:35,569 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 [2024-11-17 08:34:35,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:35,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:35,592 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:35,606 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 [2024-11-17 08:34:35,607 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:35,607 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:35,608 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:35,608 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:35,608 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:35,608 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,608 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:35,608 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:35,608 INFO L132 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2024-11-17 08:34:35,608 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:35,608 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:35,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:35,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:35,667 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:35,667 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:35,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,670 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) [2024-11-17 08:34:35,672 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 [2024-11-17 08:34:35,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:34:35,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:35,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:35,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:35,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:35,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:35,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:35,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:35,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:35,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:35,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,715 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) [2024-11-17 08:34:35,716 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 [2024-11-17 08:34:35,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:34:35,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:35,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:35,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:35,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:35,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:35,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:35,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:35,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:35,738 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:35,738 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:34:35,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:35,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:35,741 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) [2024-11-17 08:34:35,742 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 [2024-11-17 08:34:35,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:35,743 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:35,743 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:35,743 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2024-11-17 08:34:35,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-17 08:34:35,759 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:35,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:35,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:35,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:35,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:35,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:35,868 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-17 08:34:35,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:35,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 6 states. [2024-11-17 08:34:35,896 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 [2024-11-17 08:34:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-17 08:34:35,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-17 08:34:35,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-17 08:34:35,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-17 08:34:35,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:35,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2024-11-17 08:34:35,900 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:35,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-17 08:34:35,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:34:35,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:34:35,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:34:35,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:35,902 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:35,902 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:35,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:35,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:34:35,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:34:35,905 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. 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) [2024-11-17 08:34:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:35,907 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-17 08:34:35,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-17 08:34:35,907 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:35,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 08:34:35,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:34:35,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:34:35,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:34:35,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:35,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:35,908 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:34:35,909 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:35,909 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:34:35,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:34:35,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:35,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:34:35,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:34:35 BoogieIcfgContainer [2024-11-17 08:34:35,916 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:34:35,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:34:35,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:34:35,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:34:35,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:34" (3/4) ... [2024-11-17 08:34:35,919 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:34:35,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:34:35,921 INFO L158 Benchmark]: Toolchain (without parser) took 2084.79ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 121.6MB in the beginning and 179.5MB in the end (delta: -57.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-17 08:34:35,921 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:35,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.18ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 109.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:34:35,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.40ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:35,922 INFO L158 Benchmark]: Boogie Preprocessor took 27.61ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:34:35,923 INFO L158 Benchmark]: IcfgBuilder took 288.30ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 96.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:34:35,923 INFO L158 Benchmark]: BuchiAutomizer took 1439.77ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 96.4MB in the beginning and 179.5MB in the end (delta: -83.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:35,923 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 249.6MB. Free memory is still 179.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:35,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.18ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 109.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.40ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.61ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 288.30ms. Allocated memory is still 176.2MB. Free memory was 106.2MB in the beginning and 96.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1439.77ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 96.4MB in the beginning and 179.5MB in the end (delta: -83.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 249.6MB. Free memory is still 179.5MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * x) + 99) and consists of 4 locations. One deterministic module has affine ranking function (199 + ((long long) -2 * x)) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 63ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:34:35,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:36,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:36,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE