./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaA1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-restricted-15/PastaA1.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 ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:07:18,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:07:18,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 02:07:18,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:07:18,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:07:18,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:07:18,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:07:18,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:07:18,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:07:18,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:07:18,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:07:18,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:07:18,543 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:07:18,543 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:07:18,543 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:07:18,543 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:07:18,544 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:07:18,548 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:07:18,548 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:07:18,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:07:18,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:07:18,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:07:18,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:07:18,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:07:18,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:07:18,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:07:18,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:07:18,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:07:18,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:07:18,551 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:07:18,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:07:18,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:07:18,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:07:18,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:07:18,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:07:18,553 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:07:18,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 [2024-11-23 02:07:18,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:07:18,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:07:18,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:07:18,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:07:18,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:07:18,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaA1.c [2024-11-23 02:07:20,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:07:20,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:07:20,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA1.c [2024-11-23 02:07:20,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a46b99d/5dc122aeac09459a8ad4875f6b920917/FLAG9e84819a2 [2024-11-23 02:07:20,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a46b99d/5dc122aeac09459a8ad4875f6b920917 [2024-11-23 02:07:20,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:07:20,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:07:20,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:07:20,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:07:20,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:07:20,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a26ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20, skipping insertion in model container [2024-11-23 02:07:20,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:07:20,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:07:20,752 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:07:20,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:07:20,773 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:07:20,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20 WrapperNode [2024-11-23 02:07:20,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:07:20,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:07:20,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:07:20,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:07:20,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,795 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-23 02:07:20,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:07:20,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:07:20,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:07:20,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:07:20,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,808 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 02:07:20,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:07:20,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:07:20,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:07:20,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:07:20,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2024-11-23 02:07:20,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:20,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:20,857 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) [2024-11-23 02:07:20,863 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 [2024-11-23 02:07:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:07:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:07:20,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:07:20,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:07:21,007 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-23 02:07:21,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:07:21,018 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:07:21,018 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:07:21,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:21 BoogieIcfgContainer [2024-11-23 02:07:21,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:07:21,019 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:07:21,020 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:07:21,022 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:07:21,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:07:21,023 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:07:20" (1/3) ... [2024-11-23 02:07:21,024 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@138a8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:07:21, skipping insertion in model container [2024-11-23 02:07:21,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:07:21,024 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (2/3) ... [2024-11-23 02:07:21,024 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@138a8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:07:21, skipping insertion in model container [2024-11-23 02:07:21,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:07:21,025 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:21" (3/3) ... [2024-11-23 02:07:21,026 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaA1.c [2024-11-23 02:07:21,068 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:07:21,068 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:07:21,068 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:07:21,068 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:07:21,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:07:21,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:07:21,069 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:07:21,069 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:07:21,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:21,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-23 02:07:21,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:07:21,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:07:21,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:07:21,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 02:07:21,093 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:07:21,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:21,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-23 02:07:21,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:07:21,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:07:21,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:07:21,095 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 02:07:21,101 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L10-2true [2024-11-23 02:07:21,101 INFO L747 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~x~0#1 > 0);main_~y~0#1 := 0; 2#L12-2true assume !(main_~y~0#1 < main_~x~0#1); 5#L12-3true main_~x~0#1 := main_~x~0#1 - 1; 4#L10-2true [2024-11-23 02:07:21,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:21,106 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:07:21,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:21,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370238890] [2024-11-23 02:07:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:21,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:21,207 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2024-11-23 02:07:21,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:21,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920827580] [2024-11-23 02:07:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:21,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:21,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:07:21,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920827580] [2024-11-23 02:07:21,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920827580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:07:21,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:07:21,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 02:07:21,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702737878] [2024-11-23 02:07:21,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:07:21,296 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:07:21,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:07:21,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:07:21,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:07:21,327 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-23 02:07:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:07:21,347 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2024-11-23 02:07:21,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2024-11-23 02:07:21,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:07:21,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 6 states and 7 transitions. [2024-11-23 02:07:21,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 02:07:21,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 02:07:21,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2024-11-23 02:07:21,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:07:21,354 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-11-23 02:07:21,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2024-11-23 02:07:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-23 02:07:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2024-11-23 02:07:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-11-23 02:07:21,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-11-23 02:07:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:07:21,391 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-11-23 02:07:21,391 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:07:21,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-11-23 02:07:21,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:07:21,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:07:21,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:07:21,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:07:21,394 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:07:21,394 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 30#L10-2 [2024-11-23 02:07:21,394 INFO L747 eck$LassoCheckResult]: Loop: 30#L10-2 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 0; 28#L12-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 1 + main_~y~0#1; 29#L12-2 assume !(main_~y~0#1 < main_~x~0#1); 31#L12-3 main_~x~0#1 := main_~x~0#1 - 1; 30#L10-2 [2024-11-23 02:07:21,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:21,397 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-23 02:07:21,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:21,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345833036] [2024-11-23 02:07:21,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:07:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:21,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:07:21,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:07:21,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:21,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1271024, now seen corresponding path program 1 times [2024-11-23 02:07:21,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:21,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856110133] [2024-11-23 02:07:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:21,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:21,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 889698226, now seen corresponding path program 1 times [2024-11-23 02:07:21,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:21,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939306529] [2024-11-23 02:07:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:21,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:21,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:21,528 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:21,529 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:21,529 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:21,529 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:21,529 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:07:21,529 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,529 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:21,529 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:21,529 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2024-11-23 02:07:21,529 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:21,530 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:21,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,621 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:21,622 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:07:21,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,627 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) [2024-11-23 02:07:21,629 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 [2024-11-23 02:07:21,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:21,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:21,659 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:21,660 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:07:21,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:07:21,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,670 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) [2024-11-23 02:07:21,673 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 [2024-11-23 02:07:21,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:21,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:21,693 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:21,693 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:07:21,702 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 [2024-11-23 02:07:21,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,706 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) [2024-11-23 02:07:21,707 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 [2024-11-23 02:07:21,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:21,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:21,721 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:21,721 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: [] Lambdas: [] Nus: [] [2024-11-23 02:07:21,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 02:07:21,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,731 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) [2024-11-23 02:07:21,731 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 [2024-11-23 02:07:21,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:21,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:21,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:07:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,752 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) [2024-11-23 02:07:21,753 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 [2024-11-23 02:07:21,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:07:21,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:21,771 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:07:21,779 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 [2024-11-23 02:07:21,781 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:21,781 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:21,781 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:21,781 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:21,781 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:07:21,781 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:21,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:21,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2024-11-23 02:07:21,781 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:21,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:21,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:21,855 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:21,859 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:07:21,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,861 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) [2024-11-23 02:07:21,862 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 [2024-11-23 02:07:21,863 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 [2024-11-23 02:07:21,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:21,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:21,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:21,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:07:21,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:07:21,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:07:21,898 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 [2024-11-23 02:07:21,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,900 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) [2024-11-23 02:07:21,901 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 [2024-11-23 02:07:21,902 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 [2024-11-23 02:07:21,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:21,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:21,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:21,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:21,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:07:21,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:07:21,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:07:21,932 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 [2024-11-23 02:07:21,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,935 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) [2024-11-23 02:07:21,937 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 [2024-11-23 02:07:21,938 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 [2024-11-23 02:07:21,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:21,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:07:21,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:21,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:21,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:21,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:07:21,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:07:21,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:07:21,960 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:07:21,960 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:07:21,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:21,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:21,964 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) [2024-11-23 02:07:21,966 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 [2024-11-23 02:07:21,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:07:21,967 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:07:21,967 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:07:21,967 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-23 02:07:21,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:21,977 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:07:21,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:22,007 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:07:22,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:22,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:07:22,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 02:07:22,071 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 [2024-11-23 02:07:22,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 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) [2024-11-23 02:07:22,129 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 [2024-11-23 02:07:22,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. 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 10 states and 13 transitions. Complement of second has 4 states. [2024-11-23 02:07:22,156 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 [2024-11-23 02:07:22,157 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) [2024-11-23 02:07:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-23 02:07:22,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 02:07:22,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-23 02:07:22,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-23 02:07:22,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2024-11-23 02:07:22,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:07:22,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 12 transitions. [2024-11-23 02:07:22,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-23 02:07:22,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-23 02:07:22,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-23 02:07:22,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:07:22,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-23 02:07:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-23 02:07:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-23 02:07:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-23 02:07:22,164 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-23 02:07:22,164 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-23 02:07:22,164 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:07:22,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-23 02:07:22,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:07:22,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:07:22,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:07:22,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 02:07:22,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:07:22,168 INFO L745 eck$LassoCheckResult]: Stem: 87#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 88#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 84#L10-2 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 0; 81#L12-2 [2024-11-23 02:07:22,168 INFO L747 eck$LassoCheckResult]: Loop: 81#L12-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 1 + main_~y~0#1; 81#L12-2 [2024-11-23 02:07:22,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-23 02:07:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455814319] [2024-11-23 02:07:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:22,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,202 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-11-23 02:07:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017712543] [2024-11-23 02:07:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:22,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:22,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-11-23 02:07:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:22,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334311262] [2024-11-23 02:07:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:07:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:22,241 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:22,241 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:22,241 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:22,241 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:22,241 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:07:22,241 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,242 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:22,242 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:22,242 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2024-11-23 02:07:22,242 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:22,242 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:22,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,293 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:22,294 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:07:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,297 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) [2024-11-23 02:07:22,300 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 [2024-11-23 02:07:22,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:22,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,325 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:22,325 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: [] [2024-11-23 02:07:22,333 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 [2024-11-23 02:07:22,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,336 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) [2024-11-23 02:07:22,339 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 [2024-11-23 02:07:22,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:22,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,364 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:22,364 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: [] [2024-11-23 02:07:22,374 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 [2024-11-23 02:07:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,376 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) [2024-11-23 02:07:22,380 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 [2024-11-23 02:07:22,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:22,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 02:07:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,408 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) [2024-11-23 02:07:22,409 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 [2024-11-23 02:07:22,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:07:22,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,479 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:07:22,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:22,485 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:22,485 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:22,485 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:22,485 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:22,485 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:07:22,485 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,485 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:22,485 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:22,485 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2024-11-23 02:07:22,485 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:22,485 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:22,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,537 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:22,537 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:07:22,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,540 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) [2024-11-23 02:07:22,541 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 [2024-11-23 02:07:22,543 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 [2024-11-23 02:07:22,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:22,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:22,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:22,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:22,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:07:22,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:07:22,564 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:07:22,573 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 [2024-11-23 02:07:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,576 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) [2024-11-23 02:07:22,577 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 [2024-11-23 02:07:22,579 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 [2024-11-23 02:07:22,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:22,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:07:22,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:22,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:22,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:22,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:07:22,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:07:22,595 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:07:22,600 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-23 02:07:22,601 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:07:22,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,603 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) [2024-11-23 02:07:22,605 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 [2024-11-23 02:07:22,606 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:07:22,608 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:07:22,608 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:07:22,608 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:07:22,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-23 02:07:22,619 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:07:22,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:22,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:07:22,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:22,656 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:07:22,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:22,657 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 [2024-11-23 02:07:22,657 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:22,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 16 transitions. Complement of second has 3 states. [2024-11-23 02:07:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-23 02:07:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-11-23 02:07:22,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-23 02:07:22,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-23 02:07:22,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-23 02:07:22,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:22,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2024-11-23 02:07:22,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:07:22,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 13 transitions. [2024-11-23 02:07:22,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-23 02:07:22,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2024-11-23 02:07:22,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-11-23 02:07:22,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:07:22,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-23 02:07:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-11-23 02:07:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2024-11-23 02:07:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2024-11-23 02:07:22,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-23 02:07:22,673 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2024-11-23 02:07:22,673 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:07:22,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2024-11-23 02:07:22,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:07:22,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:07:22,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:07:22,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-11-23 02:07:22,674 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:07:22,674 INFO L745 eck$LassoCheckResult]: Stem: 135#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 132#L10-2 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 0; 130#L12-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 1 + main_~y~0#1; 131#L12-2 assume !(main_~y~0#1 < main_~x~0#1); 134#L12-3 main_~x~0#1 := main_~x~0#1 - 1; 133#L10-2 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 0; 129#L12-2 [2024-11-23 02:07:22,674 INFO L747 eck$LassoCheckResult]: Loop: 129#L12-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 1 + main_~y~0#1; 129#L12-2 [2024-11-23 02:07:22,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1810841241, now seen corresponding path program 2 times [2024-11-23 02:07:22,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:22,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840201293] [2024-11-23 02:07:22,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:07:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:22,681 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:07:22,681 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:07:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:22,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:07:22,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840201293] [2024-11-23 02:07:22,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840201293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:07:22,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102720031] [2024-11-23 02:07:22,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:07:22,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:07:22,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,770 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:07:22,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-23 02:07:22,794 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:07:22,795 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:07:22,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:07:22,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:22,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:07:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:22,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102720031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:07:22,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:07:22,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-23 02:07:22,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548379876] [2024-11-23 02:07:22,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:07:22,847 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:07:22,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:22,847 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2024-11-23 02:07:22,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:07:22,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875974207] [2024-11-23 02:07:22,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:07:22,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:07:22,856 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:07:22,856 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:07:22,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:07:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:07:22,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:07:22,881 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:22,881 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:22,881 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:22,881 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:22,881 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:07:22,882 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,882 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:22,882 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:22,882 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2024-11-23 02:07:22,882 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:22,882 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:22,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:22,931 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:22,931 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:07:22,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,936 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) [2024-11-23 02:07:22,939 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 [2024-11-23 02:07:22,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:22,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,962 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:07:22,962 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: [] [2024-11-23 02:07:22,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:22,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,971 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) [2024-11-23 02:07:22,972 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 [2024-11-23 02:07:22,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:07:22,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:22,996 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 [2024-11-23 02:07:22,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:22,998 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) [2024-11-23 02:07:23,000 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 [2024-11-23 02:07:23,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:07:23,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:07:23,085 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:07:23,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-23 02:07:23,091 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:07:23,091 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:07:23,091 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:07:23,091 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:07:23,091 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:07:23,091 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:23,091 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:07:23,091 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:07:23,091 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2024-11-23 02:07:23,091 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:07:23,091 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:07:23,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:23,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:23,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:07:23,140 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:07:23,140 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:07:23,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:23,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:23,143 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) [2024-11-23 02:07:23,144 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 [2024-11-23 02:07:23,146 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 [2024-11-23 02:07:23,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:23,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:23,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:23,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:23,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:07:23,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:07:23,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:07:23,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-23 02:07:23,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:23,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:23,178 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) [2024-11-23 02:07:23,180 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 [2024-11-23 02:07:23,181 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 [2024-11-23 02:07:23,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:07:23,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:07:23,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:07:23,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:07:23,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:07:23,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:07:23,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:07:23,197 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:07:23,201 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-23 02:07:23,201 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:07:23,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:07:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:07:23,204 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) [2024-11-23 02:07:23,206 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 [2024-11-23 02:07:23,207 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:07:23,207 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:07:23,207 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:07:23,207 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-23 02:07:23,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:23,217 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:07:23,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,262 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:23,263 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 [2024-11-23 02:07:23,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 13 transitions. Complement of second has 3 states. [2024-11-23 02:07:23,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-23 02:07:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-11-23 02:07:23,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 7 letters. Loop has 1 letters. [2024-11-23 02:07:23,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:23,276 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:07:23,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,315 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:23,317 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:07:23,317 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 13 transitions. Complement of second has 3 states. [2024-11-23 02:07:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-23 02:07:23,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2024-11-23 02:07:23,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 7 letters. Loop has 1 letters. [2024-11-23 02:07:23,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:23,330 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:07:23,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:07:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:07:23,372 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:07:23,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:07:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:07:23,373 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:07:23,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,383 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 11 transitions. Complement of second has 2 states. [2024-11-23 02:07:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-23 02:07:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:07:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2024-11-23 02:07:23,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2024-11-23 02:07:23,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:23,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 8 letters. Loop has 1 letters. [2024-11-23 02:07:23,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:23,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-23 02:07:23,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:07:23,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2024-11-23 02:07:23,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:07:23,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-11-23 02:07:23,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:07:23,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:07:23,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:07:23,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:07:23,388 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:07:23,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:07:23,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:07:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:07:23,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:07:23,390 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2024-11-23 02:07:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:07:23,390 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:07:23,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:07:23,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:07:23,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:07:23,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:07:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 02:07:23,392 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:07:23,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 02:07:23,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:07:23,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:07:23,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:07:23,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:07:23 BoogieIcfgContainer [2024-11-23 02:07:23,399 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:07:23,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:07:23,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:07:23,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:07:23,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:21" (3/4) ... [2024-11-23 02:07:23,404 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:07:23,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:07:23,408 INFO L158 Benchmark]: Toolchain (without parser) took 2873.04ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 68.1MB in the beginning and 116.3MB in the end (delta: -48.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-23 02:07:23,408 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:07:23,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.72ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 67.9MB in the beginning and 187.5MB in the end (delta: -119.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-23 02:07:23,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.16ms. Allocated memory is still 216.0MB. Free memory was 187.5MB in the beginning and 186.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:07:23,409 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 216.0MB. Free memory was 186.4MB in the beginning and 184.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:07:23,410 INFO L158 Benchmark]: RCFGBuilder took 201.88ms. Allocated memory is still 216.0MB. Free memory was 184.3MB in the beginning and 174.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 02:07:23,410 INFO L158 Benchmark]: BuchiAutomizer took 2379.72ms. Allocated memory is still 216.0MB. Free memory was 174.9MB in the beginning and 116.3MB in the end (delta: 58.6MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-23 02:07:23,410 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 216.0MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:07:23,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.72ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 67.9MB in the beginning and 187.5MB in the end (delta: -119.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.16ms. Allocated memory is still 216.0MB. Free memory was 187.5MB in the beginning and 186.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 216.0MB. Free memory was 186.4MB in the beginning and 184.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 201.88ms. Allocated memory is still 216.0MB. Free memory was 184.3MB in the beginning and 174.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2379.72ms. Allocated memory is still 216.0MB. Free memory was 174.9MB in the beginning and 116.3MB in the end (delta: 58.6MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 216.0MB. Free memory is still 116.3MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 2 locations. One nondeterministic module has affine ranking function (((long) -1 * y) + x) and consists of 2 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 26 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax216 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf92 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 02:07:23,429 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 [2024-11-23 02:07:23,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:23,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-23 02:07:24,035 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