./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strspn.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-dietlibc/strspn.i -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 d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:52:19,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:52:19,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-09 06:52:19,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:52:19,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:52:19,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 06:52:19,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:52:19,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:52:19,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:52:19,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:52:19,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:52:19,486 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 06:52:19,486 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 06:52:19,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:52:19,488 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 06:52:19,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:52:19,489 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:52:19,489 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:52:19,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:52:19,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:52:19,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:52:19,490 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 06:52:19,490 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e [2025-03-09 06:52:19,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:52:19,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:52:19,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:52:19,743 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:52:19,744 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:52:19,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strspn.i [2025-03-09 06:52:20,843 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a06dc534/1c8b30ba3b254f1e835469a6d46b1149/FLAG3b6ce63b5 [2025-03-09 06:52:21,106 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:52:21,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strspn.i [2025-03-09 06:52:21,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a06dc534/1c8b30ba3b254f1e835469a6d46b1149/FLAG3b6ce63b5 [2025-03-09 06:52:21,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a06dc534/1c8b30ba3b254f1e835469a6d46b1149 [2025-03-09 06:52:21,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:52:21,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:52:21,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:52:21,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:52:21,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:52:21,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654ad635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21, skipping insertion in model container [2025-03-09 06:52:21,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:52:21,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:52:21,646 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:52:21,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:52:21,701 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:52:21,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21 WrapperNode [2025-03-09 06:52:21,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:52:21,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:52:21,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:52:21,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:52:21,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,734 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-03-09 06:52:21,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:52:21,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:52:21,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:52:21,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:52:21,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,752 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2025-03-09 06:52:21,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:52:21,760 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:52:21,760 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:52:21,760 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:52:21,761 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (1/1) ... [2025-03-09 06:52:21,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:21,785 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) [2025-03-09 06:52:21,787 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 [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:52:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:52:21,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:52:21,853 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:52:21,854 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:52:21,953 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L528: havoc main_#t~ret15#1;call ULTIMATE.dealloc(main_#t~malloc12#1.base, main_#t~malloc12#1.offset);havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call ULTIMATE.dealloc(main_#t~malloc14#1.base, main_#t~malloc14#1.offset);havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; [2025-03-09 06:52:21,961 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-03-09 06:52:21,961 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:52:21,969 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:52:21,970 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:52:21,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:21 BoogieIcfgContainer [2025-03-09 06:52:21,970 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:52:21,971 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 06:52:21,971 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 06:52:21,975 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 06:52:21,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:21,976 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 06:52:21" (1/3) ... [2025-03-09 06:52:21,977 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2da58cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:52:21, skipping insertion in model container [2025-03-09 06:52:21,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:21,977 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:21" (2/3) ... [2025-03-09 06:52:21,977 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2da58cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:52:21, skipping insertion in model container [2025-03-09 06:52:21,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:21,978 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:21" (3/3) ... [2025-03-09 06:52:21,979 INFO L363 chiAutomizerObserver]: Analyzing ICFG strspn.i [2025-03-09 06:52:22,011 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 06:52:22,011 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 06:52:22,011 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 06:52:22,012 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 06:52:22,012 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 06:52:22,012 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 06:52:22,012 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 06:52:22,012 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 06:52:22,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2025-03-09 06:52:22,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-03-09 06:52:22,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:22,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:22,030 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:22,030 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-03-09 06:52:22,030 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 06:52:22,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2025-03-09 06:52:22,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-03-09 06:52:22,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:22,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:22,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:22,031 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-03-09 06:52:22,034 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-03-09 06:52:22,035 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume !true;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-03-09 06:52:22,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 1 times [2025-03-09 06:52:22,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364756770] [2025-03-09 06:52:22,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:22,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,138 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:22,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:22,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,181 INFO L85 PathProgramCache]: Analyzing trace with hash 50543153, now seen corresponding path program 1 times [2025-03-09 06:52:22,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852728704] [2025-03-09 06:52:22,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:52:22,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:52:22,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:22,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:52:22,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852728704] [2025-03-09 06:52:22,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852728704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:52:22,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:52:22,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:52:22,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242112201] [2025-03-09 06:52:22,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:52:22,225 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:52:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:52:22,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:52:22,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:52:22,246 INFO L87 Difference]: Start difference. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:52:22,251 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-09 06:52:22,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2025-03-09 06:52:22,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-03-09 06:52:22,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 11 states and 13 transitions. [2025-03-09 06:52:22,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-03-09 06:52:22,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-03-09 06:52:22,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2025-03-09 06:52:22,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:52:22,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 06:52:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2025-03-09 06:52:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-03-09 06:52:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2025-03-09 06:52:22,280 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 06:52:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:52:22,283 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2025-03-09 06:52:22,284 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 06:52:22,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2025-03-09 06:52:22,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-03-09 06:52:22,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:22,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:22,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:22,285 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:52:22,285 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-03-09 06:52:22,286 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume !strspn_#t~short6#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-03-09 06:52:22,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,286 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 2 times [2025-03-09 06:52:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305387998] [2025-03-09 06:52:22,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:52:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,300 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,321 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:52:22,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,322 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:22,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:22,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1326589165, now seen corresponding path program 1 times [2025-03-09 06:52:22,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858919666] [2025-03-09 06:52:22,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:52:22,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:52:22,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:22,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:52:22,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858919666] [2025-03-09 06:52:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858919666] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:52:22,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:52:22,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:52:22,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528503281] [2025-03-09 06:52:22,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:52:22,469 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:52:22,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:52:22,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 06:52:22,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:52:22,471 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 3 Second operand has 5 states, 4 states have (on average 1.75) 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) [2025-03-09 06:52:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:52:22,497 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2025-03-09 06:52:22,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2025-03-09 06:52:22,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-03-09 06:52:22,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 14 transitions. [2025-03-09 06:52:22,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2025-03-09 06:52:22,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2025-03-09 06:52:22,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2025-03-09 06:52:22,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:52:22,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-03-09 06:52:22,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2025-03-09 06:52:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-03-09 06:52:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2025-03-09 06:52:22,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-03-09 06:52:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 06:52:22,501 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2025-03-09 06:52:22,501 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 06:52:22,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2025-03-09 06:52:22,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2025-03-09 06:52:22,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:22,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:22,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:22,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:52:22,502 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" [2025-03-09 06:52:22,502 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" [2025-03-09 06:52:22,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2030715, now seen corresponding path program 3 times [2025-03-09 06:52:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996066363] [2025-03-09 06:52:22,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:52:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,514 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 06:52:22,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,524 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:22,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:22,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:22,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:22,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1326559374, now seen corresponding path program 1 times [2025-03-09 06:52:22,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967276207] [2025-03-09 06:52:22,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:52:22,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:52:22,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,557 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:22,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:52:22,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:52:22,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:22,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:22,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1162963244, now seen corresponding path program 1 times [2025-03-09 06:52:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:22,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734044185] [2025-03-09 06:52:22,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:22,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:22,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:52:22,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:52:22,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,620 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:22,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:52:22,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:52:22,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:22,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:22,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:23,335 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:52:23,336 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:52:23,336 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:52:23,336 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:52:23,337 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:52:23,337 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,337 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:52:23,337 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:52:23,338 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration3_Lasso [2025-03-09 06:52:23,338 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:52:23,338 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:52:23,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:23,869 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:52:23,873 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:52:23,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:23,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:23,882 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 [2025-03-09 06:52:23,882 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 [2025-03-09 06:52:23,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:23,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:23,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:23,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:23,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:23,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:23,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:23,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:23,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:23,911 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) [2025-03-09 06:52:23,912 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 [2025-03-09 06:52:23,914 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 [2025-03-09 06:52:23,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:23,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:23,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:23,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:23,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:23,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:23,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:23,930 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:23,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:23,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:23,938 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) [2025-03-09 06:52:23,940 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 [2025-03-09 06:52:23,941 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 [2025-03-09 06:52:23,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:23,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:23,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:23,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:23,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:23,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:23,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:23,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:23,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:23,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:23,962 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) [2025-03-09 06:52:23,964 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 [2025-03-09 06:52:23,966 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 [2025-03-09 06:52:23,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:23,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:23,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:23,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:23,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:23,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:23,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:23,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:23,988 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 [2025-03-09 06:52:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:23,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:23,991 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) [2025-03-09 06:52:23,992 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 [2025-03-09 06:52:23,993 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 [2025-03-09 06:52:24,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,013 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 [2025-03-09 06:52:24,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,015 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) [2025-03-09 06:52:24,016 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 [2025-03-09 06:52:24,018 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 [2025-03-09 06:52:24,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,037 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) [2025-03-09 06:52:24,038 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 [2025-03-09 06:52:24,040 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 [2025-03-09 06:52:24,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,063 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 [2025-03-09 06:52:24,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,066 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) [2025-03-09 06:52:24,067 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 [2025-03-09 06:52:24,068 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 [2025-03-09 06:52:24,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-09 06:52:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,089 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) [2025-03-09 06:52:24,091 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 [2025-03-09 06:52:24,091 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 [2025-03-09 06:52:24,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,110 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) [2025-03-09 06:52:24,111 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 [2025-03-09 06:52:24,113 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 [2025-03-09 06:52:24,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,133 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) [2025-03-09 06:52:24,134 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 [2025-03-09 06:52:24,136 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 [2025-03-09 06:52:24,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-09 06:52:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,155 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) [2025-03-09 06:52:24,157 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 [2025-03-09 06:52:24,158 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 [2025-03-09 06:52:24,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,176 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) [2025-03-09 06:52:24,177 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 [2025-03-09 06:52:24,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-09 06:52:24,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,196 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 [2025-03-09 06:52:24,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,198 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) [2025-03-09 06:52:24,199 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 [2025-03-09 06:52:24,201 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 [2025-03-09 06:52:24,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,220 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) [2025-03-09 06:52:24,221 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 [2025-03-09 06:52:24,224 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 [2025-03-09 06:52:24,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,246 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) [2025-03-09 06:52:24,247 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 [2025-03-09 06:52:24,248 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 [2025-03-09 06:52:24,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,266 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 [2025-03-09 06:52:24,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,268 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-09 06:52:24,272 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 [2025-03-09 06:52:24,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,293 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) [2025-03-09 06:52:24,295 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 [2025-03-09 06:52:24,296 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 [2025-03-09 06:52:24,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,307 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,312 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 [2025-03-09 06:52:24,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,314 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) [2025-03-09 06:52:24,316 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 [2025-03-09 06:52:24,317 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 [2025-03-09 06:52:24,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,333 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 [2025-03-09 06:52:24,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,335 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) [2025-03-09 06:52:24,336 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 [2025-03-09 06:52:24,337 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 [2025-03-09 06:52:24,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,355 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) [2025-03-09 06:52:24,356 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 [2025-03-09 06:52:24,357 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 [2025-03-09 06:52:24,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,375 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) [2025-03-09 06:52:24,376 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 [2025-03-09 06:52:24,377 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 [2025-03-09 06:52:24,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,388 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,393 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 [2025-03-09 06:52:24,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,395 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) [2025-03-09 06:52:24,396 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 [2025-03-09 06:52:24,397 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 [2025-03-09 06:52:24,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-03-09 06:52:24,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,415 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-09 06:52:24,417 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 [2025-03-09 06:52:24,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,428 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,436 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-09 06:52:24,439 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 [2025-03-09 06:52:24,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,458 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-09 06:52:24,460 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 [2025-03-09 06:52:24,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:24,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-03-09 06:52:24,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,479 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-09 06:52:24,480 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 [2025-03-09 06:52:24,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,497 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-03-09 06:52:24,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,505 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-09 06:52:24,507 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 [2025-03-09 06:52:24,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-03-09 06:52:24,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,533 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 06:52:24,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-09 06:52:24,535 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 [2025-03-09 06:52:24,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,559 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2025-03-09 06:52:24,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-03-09 06:52:24,562 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 [2025-03-09 06:52:24,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,583 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2025-03-09 06:52:24,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-03-09 06:52:24,586 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 [2025-03-09 06:52:24,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:24,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,596 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-03-09 06:52:24,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,597 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-03-09 06:52:24,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:24,599 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:24,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-03-09 06:52:24,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,607 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2025-03-09 06:52:24,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-03-09 06:52:24,610 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 [2025-03-09 06:52:24,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:24,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:24,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:24,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:24,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:24,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:24,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:52:24,651 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-03-09 06:52:24,653 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-03-09 06:52:24,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:24,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:24,656 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2025-03-09 06:52:24,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-03-09 06:52:24,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:52:24,670 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-09 06:52:24,670 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:52:24,670 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 Supporting invariants [] [2025-03-09 06:52:24,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,698 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2025-03-09 06:52:24,703 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-09 06:52:24,703 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-09 06:52:24,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2025-03-09 06:52:24,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:24,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:24,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:24,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:24,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:24,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:52:24,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:52:24,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:24,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:24,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:24,811 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-09 06:52:24,812 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2025-03-09 06:52:24,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Result 20 states and 25 transitions. Complement of second has 5 states. [2025-03-09 06:52:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-09 06:52:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2025-03-09 06:52:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2025-03-09 06:52:24,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 7 letters. [2025-03-09 06:52:24,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:24,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 7 letters. [2025-03-09 06:52:24,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:24,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 14 letters. [2025-03-09 06:52:24,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:24,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2025-03-09 06:52:24,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-03-09 06:52:24,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 23 transitions. [2025-03-09 06:52:24,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-09 06:52:24,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-03-09 06:52:24,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2025-03-09 06:52:24,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-09 06:52:24,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-03-09 06:52:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2025-03-09 06:52:24,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2025-03-09 06:52:24,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2025-03-09 06:52:24,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2025-03-09 06:52:24,875 INFO L432 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2025-03-09 06:52:24,875 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-09 06:52:24,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2025-03-09 06:52:24,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:52:24,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:24,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:24,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:52:24,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 06:52:24,877 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-03-09 06:52:24,877 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume !strspn_#t~short6#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-03-09 06:52:24,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1951517850, now seen corresponding path program 1 times [2025-03-09 06:52:24,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:24,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897156838] [2025-03-09 06:52:24,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:24,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:24,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:24,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,893 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:24,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:24,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:24,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:24,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,903 INFO L85 PathProgramCache]: Analyzing trace with hash 46638, now seen corresponding path program 1 times [2025-03-09 06:52:24,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599723575] [2025-03-09 06:52:24,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:24,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:24,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:24,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:24,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:24,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:24,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:52:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599723575] [2025-03-09 06:52:24,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599723575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:52:24,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:52:24,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:52:24,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234303005] [2025-03-09 06:52:24,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:52:24,935 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 06:52:24,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:52:24,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:52:24,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:52:24,936 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 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) [2025-03-09 06:52:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:52:24,944 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2025-03-09 06:52:24,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2025-03-09 06:52:24,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:52:24,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 19 transitions. [2025-03-09 06:52:24,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-09 06:52:24,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-03-09 06:52:24,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2025-03-09 06:52:24,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-09 06:52:24,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-03-09 06:52:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2025-03-09 06:52:24,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-09 06:52:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2025-03-09 06:52:24,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-03-09 06:52:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:52:24,947 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2025-03-09 06:52:24,947 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-09 06:52:24,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2025-03-09 06:52:24,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:52:24,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:24,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:24,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:52:24,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 06:52:24,947 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-03-09 06:52:24,947 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-03-09 06:52:24,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1951517850, now seen corresponding path program 2 times [2025-03-09 06:52:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:24,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980429290] [2025-03-09 06:52:24,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:52:24,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:24,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:24,962 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:24,963 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:52:24,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,963 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:24,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:24,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:24,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:24,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,972 INFO L85 PathProgramCache]: Analyzing trace with hash 46607, now seen corresponding path program 1 times [2025-03-09 06:52:24,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:24,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106065280] [2025-03-09 06:52:24,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:24,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:24,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:24,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:24,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,977 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:24,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:24,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:24,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:24,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:24,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:24,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:24,982 INFO L85 PathProgramCache]: Analyzing trace with hash 990967510, now seen corresponding path program 1 times [2025-03-09 06:52:24,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:24,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634796054] [2025-03-09 06:52:24,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:24,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:24,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 06:52:25,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 06:52:25,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:25,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:25,001 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:25,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 06:52:25,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 06:52:25,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:25,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:25,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:25,596 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:52:25,596 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:52:25,596 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:52:25,596 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:52:25,596 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:52:25,596 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:25,596 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:52:25,596 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:52:25,596 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration5_Lasso [2025-03-09 06:52:25,596 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:52:25,597 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:52:25,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:25,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:26,043 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:52:26,044 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:52:26,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:26,046 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2025-03-09 06:52:26,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-03-09 06:52:26,048 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 [2025-03-09 06:52:26,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:26,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:26,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:26,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:26,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:26,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:26,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:26,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:26,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:26,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:26,066 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2025-03-09 06:52:26,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-03-09 06:52:26,068 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 [2025-03-09 06:52:26,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:26,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:26,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:26,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:26,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:26,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:26,081 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:26,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-03-09 06:52:26,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:26,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:26,088 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2025-03-09 06:52:26,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-03-09 06:52:26,089 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 [2025-03-09 06:52:26,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:26,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:26,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:26,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:26,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:26,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:26,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:26,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:26,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-03-09 06:52:26,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:26,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:26,106 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2025-03-09 06:52:26,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-03-09 06:52:26,111 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 [2025-03-09 06:52:26,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:26,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:26,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:26,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:26,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:26,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:26,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:52:26,140 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-03-09 06:52:26,140 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-03-09 06:52:26,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:26,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:26,142 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2025-03-09 06:52:26,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-03-09 06:52:26,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:52:26,156 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-03-09 06:52:26,156 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:52:26,156 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0#1.offset) = -2*ULTIMATE.start_strspn_~a~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 + 18446744073709551615 >= 0] [2025-03-09 06:52:26,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-03-09 06:52:26,187 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2025-03-09 06:52:26,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2025-03-09 06:52:26,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:26,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:26,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:26,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:26,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 06:52:26,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:26,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-03-09 06:52:26,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:26,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:26,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:26,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 06:52:26,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:26,298 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-09 06:52:26,298 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:26,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 36 transitions. Complement of second has 6 states. [2025-03-09 06:52:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-09 06:52:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-03-09 06:52:26,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2025-03-09 06:52:26,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:26,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. [2025-03-09 06:52:26,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:26,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 6 letters. [2025-03-09 06:52:26,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:26,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2025-03-09 06:52:26,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:52:26,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 26 transitions. [2025-03-09 06:52:26,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-03-09 06:52:26,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-03-09 06:52:26,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2025-03-09 06:52:26,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-09 06:52:26,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-03-09 06:52:26,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2025-03-09 06:52:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2025-03-09 06:52:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 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) [2025-03-09 06:52:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2025-03-09 06:52:26,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2025-03-09 06:52:26,341 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2025-03-09 06:52:26,341 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-09 06:52:26,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2025-03-09 06:52:26,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-03-09 06:52:26,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:26,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:26,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:52:26,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-03-09 06:52:26,342 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;" "assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;" "call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);" "assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset;" "assume true;call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);" "assume 0 != strspn_#t~mem2#1;havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset;" [2025-03-09 06:52:26,342 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1;" "assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1;" "assume strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1;strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset;" [2025-03-09 06:52:26,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:26,344 INFO L85 PathProgramCache]: Analyzing trace with hash -916179789, now seen corresponding path program 2 times [2025-03-09 06:52:26,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:26,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806610507] [2025-03-09 06:52:26,344 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:52:26,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:26,352 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-03-09 06:52:26,365 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:52:26,365 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:52:26,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,366 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:26,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:52:26,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:52:26,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:26,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:26,377 INFO L85 PathProgramCache]: Analyzing trace with hash 46607, now seen corresponding path program 2 times [2025-03-09 06:52:26,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:26,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981507254] [2025-03-09 06:52:26,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:52:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:26,379 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:26,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:26,380 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:52:26,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,380 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:26,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:26,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:26,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:26,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash 605088797, now seen corresponding path program 1 times [2025-03-09 06:52:26,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:26,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725378368] [2025-03-09 06:52:26,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:26,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:52:26,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:52:26,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,398 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:26,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 06:52:26,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 06:52:26,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:26,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:26,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:26,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-03-09 06:52:27,157 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:52:27,157 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:52:27,158 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:52:27,158 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:52:27,158 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:52:27,158 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,158 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:52:27,158 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:52:27,158 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration6_Lasso [2025-03-09 06:52:27,158 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:52:27,158 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:52:27,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:27,679 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:52:27,679 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:52:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,681 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2025-03-09 06:52:27,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-03-09 06:52:27,684 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 [2025-03-09 06:52:27,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:27,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:27,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-03-09 06:52:27,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,705 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2025-03-09 06:52:27,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-03-09 06:52:27,707 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 [2025-03-09 06:52:27,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,726 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2025-03-09 06:52:27,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-03-09 06:52:27,729 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 [2025-03-09 06:52:27,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,748 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2025-03-09 06:52:27,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-03-09 06:52:27,751 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 [2025-03-09 06:52:27,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,770 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2025-03-09 06:52:27,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-03-09 06:52:27,776 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 [2025-03-09 06:52:27,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,798 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2025-03-09 06:52:27,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-03-09 06:52:27,801 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 [2025-03-09 06:52:27,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,814 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-03-09 06:52:27,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,824 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2025-03-09 06:52:27,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-03-09 06:52:27,825 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 [2025-03-09 06:52:27,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,837 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-03-09 06:52:27,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,845 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2025-03-09 06:52:27,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-03-09 06:52:27,848 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 [2025-03-09 06:52:27,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,868 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2025-03-09 06:52:27,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-03-09 06:52:27,869 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 [2025-03-09 06:52:27,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-03-09 06:52:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,890 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2025-03-09 06:52:27,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-03-09 06:52:27,892 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 [2025-03-09 06:52:27,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,903 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-03-09 06:52:27,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,911 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2025-03-09 06:52:27,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-03-09 06:52:27,912 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 [2025-03-09 06:52:27,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,924 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-03-09 06:52:27,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,930 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2025-03-09 06:52:27,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-03-09 06:52:27,932 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 [2025-03-09 06:52:27,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-03-09 06:52:27,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,950 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2025-03-09 06:52:27,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-03-09 06:52:27,951 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 [2025-03-09 06:52:27,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,969 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2025-03-09 06:52:27,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-03-09 06:52:27,971 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 [2025-03-09 06:52:27,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:27,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:27,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:27,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:27,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:27,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:27,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:27,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:27,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:27,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:27,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:27,989 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2025-03-09 06:52:27,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-03-09 06:52:27,991 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 [2025-03-09 06:52:28,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:28,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:28,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:28,001 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-03-09 06:52:28,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,011 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2025-03-09 06:52:28,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-03-09 06:52:28,013 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 [2025-03-09 06:52:28,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:28,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:28,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:28,024 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-03-09 06:52:28,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,031 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2025-03-09 06:52:28,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-03-09 06:52:28,033 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 [2025-03-09 06:52:28,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:28,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:28,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:28,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-03-09 06:52:28,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,053 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2025-03-09 06:52:28,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-03-09 06:52:28,055 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 [2025-03-09 06:52:28,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:28,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:28,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:28,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-03-09 06:52:28,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,076 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2025-03-09 06:52:28,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-03-09 06:52:28,077 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 [2025-03-09 06:52:28,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:28,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:28,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:28,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-03-09 06:52:28,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,095 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2025-03-09 06:52:28,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-03-09 06:52:28,097 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 [2025-03-09 06:52:28,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:28,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:28,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-03-09 06:52:28,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,117 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2025-03-09 06:52:28,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-03-09 06:52:28,119 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 [2025-03-09 06:52:28,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:28,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:28,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-03-09 06:52:28,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,145 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2025-03-09 06:52:28,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-03-09 06:52:28,148 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 [2025-03-09 06:52:28,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:28,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:28,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:28,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:28,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,177 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2025-03-09 06:52:28,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-03-09 06:52:28,178 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 [2025-03-09 06:52:28,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:28,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:28,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:28,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:28,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:28,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:28,197 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:52:28,210 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-03-09 06:52:28,211 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-03-09 06:52:28,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:28,213 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2025-03-09 06:52:28,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-03-09 06:52:28,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:52:28,225 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-09 06:52:28,226 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:52:28,226 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3) = -1*ULTIMATE.start_strspn_~a~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3 Supporting invariants [] [2025-03-09 06:52:28,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-03-09 06:52:28,255 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2025-03-09 06:52:28,256 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-09 06:52:28,256 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-09 06:52:28,256 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2025-03-09 06:52:28,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:28,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:52:28,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:52:28,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:28,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:28,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:28,356 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-09 06:52:28,356 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 31 transitions. Complement of second has 6 states. [2025-03-09 06:52:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-09 06:52:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-03-09 06:52:28,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 13 letters. Loop has 3 letters. [2025-03-09 06:52:28,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:28,390 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-09 06:52:28,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:28,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:52:28,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:52:28,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:28,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:28,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:28,492 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-09 06:52:28,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,517 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 31 transitions. Complement of second has 6 states. [2025-03-09 06:52:28,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-09 06:52:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2025-03-09 06:52:28,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 13 letters. Loop has 3 letters. [2025-03-09 06:52:28,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:28,519 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-03-09 06:52:28,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:28,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-03-09 06:52:28,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:52:28,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:52:28,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-09 06:52:28,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-09 06:52:28,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:28,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:28,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:28,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:28,637 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-03-09 06:52:28,637 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 5 states. [2025-03-09 06:52:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-03-09 06:52:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:52:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2025-03-09 06:52:28,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 3 letters. [2025-03-09 06:52:28,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:28,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 3 letters. [2025-03-09 06:52:28,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:28,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 6 letters. [2025-03-09 06:52:28,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:28,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2025-03-09 06:52:28,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:52:28,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-09 06:52:28,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-09 06:52:28,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:52:28,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-09 06:52:28,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-09 06:52:28,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:52:28,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 06:52:28,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 06:52:28 BoogieIcfgContainer [2025-03-09 06:52:28,683 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 06:52:28,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:52:28,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:52:28,684 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:52:28,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:21" (3/4) ... [2025-03-09 06:52:28,686 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 06:52:28,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:52:28,688 INFO L158 Benchmark]: Toolchain (without parser) took 7290.08ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 112.0MB in the beginning and 123.9MB in the end (delta: -11.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2025-03-09 06:52:28,688 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:28,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.17ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 95.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 06:52:28,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.00ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:28,689 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:28,689 INFO L158 Benchmark]: IcfgBuilder took 210.86ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 06:52:28,690 INFO L158 Benchmark]: BuchiAutomizer took 6712.00ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 125.4MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:28,690 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:28,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.17ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 95.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.00ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 210.86ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6712.00ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 125.4MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 79 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital219 mio100 ax100 hnf100 lsp96 ukn70 mio100 lsp26 div100 bol100 ite100 ukn100 eq156 hnf90 smp100 dnf128 smp100 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-09 06:52:28,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE